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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">Front. Psychiatry</journal-id>
<journal-title>Frontiers in Psychiatry</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Front. Psychiatry</abbrev-journal-title>
<issn pub-type="epub">1664-0640</issn>
<publisher>
<publisher-name>Frontiers Media S.A.</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.3389/fpsyt.2022.892321</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Psychiatry</subject>
<subj-group>
<subject>Original Research</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group>
<article-title>Impact of Depression on Patients With Hemophilia: A Retrospective Case-Control Research</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name><surname>Jim&#x000E9;nez-Cebri&#x000E1;n</surname> <given-names>Ana Mar&#x000ED;a</given-names></name>
<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/1813136/overview"/>
</contrib>
<contrib contrib-type="author">
<name><surname>Palomo-L&#x000F3;pez</surname> <given-names>Patricia</given-names></name>
<xref ref-type="aff" rid="aff2"><sup>2</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Becerro-de-Bengoa Vallejo</surname> <given-names>Ricardo</given-names></name>
<xref ref-type="aff" rid="aff3"><sup>3</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/920359/overview"/>
</contrib>
<contrib contrib-type="author">
<name><surname>Losa-Iglesias</surname> <given-names>Marta Elena</given-names></name>
<xref ref-type="aff" rid="aff4"><sup>4</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/920267/overview"/>
</contrib>
<contrib contrib-type="author" corresp="yes">
<name><surname>Navarro-Flores</surname> <given-names>Emmanuel</given-names></name>
<xref ref-type="aff" rid="aff5"><sup>5</sup></xref>
<xref ref-type="corresp" rid="c001"><sup>&#x0002A;</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/1551430/overview"/>
</contrib>
<contrib contrib-type="author">
<name><surname>San-Antol&#x000ED;n</surname> <given-names>Marta</given-names></name>
<xref ref-type="aff" rid="aff6"><sup>6</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Calvo-Lobo</surname> <given-names>C&#x000E9;sar</given-names></name>
<xref ref-type="aff" rid="aff3"><sup>3</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>L&#x000F3;pez-L&#x000F3;pez</surname> <given-names>Daniel</given-names></name>
<xref ref-type="aff" rid="aff7"><sup>7</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/557676/overview"/>
</contrib>
</contrib-group>
<aff id="aff1"><sup>1</sup><institution>Department Nursing and Podiatry, Faculty of Health Sciences, Instituto de Investigaci&#x000F3;n Biom&#x000E9;dica de M&#x000E1;laga (IBIMA), University of M&#x000E1;laga</institution>, <addr-line>M&#x000E1;laga</addr-line>, <country>Spain</country></aff>
<aff id="aff2"><sup>2</sup><institution>University Center of Plasencia, University of Extremadura</institution>, <addr-line>Plasencia</addr-line>, <country>Spain</country></aff>
<aff id="aff3"><sup>3</sup><institution>Facultad de Enfermer&#x000ED;a, Fisioterapia y Podolog&#x000ED;a, Universidad Complutense de Madrid</institution>, <addr-line>Madrid</addr-line>, <country>Spain</country></aff>
<aff id="aff4"><sup>4</sup><institution>Faculty of Health Sciences, Universidad Rey Juan Carlos</institution>, <addr-line>Alcorc&#x000F3;n</addr-line>, <country>Spain</country></aff>
<aff id="aff5"><sup>5</sup><institution>Frailty Research Organized Group (FROG), Department of Nursing, Faculty of Nursing and Podiatry, University of Valencia</institution>, <addr-line>Valencia</addr-line>, <country>Spain</country></aff>
<aff id="aff6"><sup>6</sup><institution>Department of Psychology, Universidad Europea de Madrid</institution>, <addr-line>Madrid</addr-line>, <country>Spain</country></aff>
<aff id="aff7"><sup>7</sup><institution>Research, Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Industrial Campus of Ferrol, Universidade da Coru&#x000F1;a</institution>, <addr-line>Ferrol</addr-line>, <country>Spain</country></aff>
<author-notes>
<fn fn-type="edited-by"><p>Edited by: Francesco Panza, University of Bari Aldo Moro, Italy</p></fn>
<fn fn-type="edited-by"><p>Reviewed by: Alvaro Astasio, University of Castilla-La Mancha, Spain; Israel Miguel Andres, CIATEC, Mexico</p></fn>
<corresp id="c001">&#x0002A;Correspondence: Emmanuel Navarro-Flores <email>emmanuel.navarro&#x00040;uv.es</email></corresp>
<fn fn-type="other" id="fn001"><p>This article was submitted to Aging Psychiatry, a section of the journal Frontiers in Psychiatry</p></fn></author-notes>
<pub-date pub-type="epub">
<day>04</day>
<month>07</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="collection">
<year>2022</year>
</pub-date>
<volume>13</volume>
<elocation-id>892321</elocation-id>
<history>
<date date-type="received">
<day>17</day>
<month>03</month>
<year>2022</year>
</date>
<date date-type="accepted">
<day>07</day>
<month>06</month>
<year>2022</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright &#x000A9; 2022 Jim&#x000E9;nez-Cebri&#x000E1;n, Palomo-L&#x000F3;pez, Becerro-de-Bengoa Vallejo, Losa-Iglesias, Navarro-Flores, San-Antol&#x000ED;n, Calvo-Lobo and L&#x000F3;pez-L&#x000F3;pez.</copyright-statement>
<copyright-year>2022</copyright-year>
<copyright-holder>Jim&#x000E9;nez-Cebri&#x000E1;n, Palomo-L&#x000F3;pez, Becerro-de-Bengoa Vallejo, Losa-Iglesias, Navarro-Flores, San-Antol&#x000ED;n, Calvo-Lobo and L&#x000F3;pez-L&#x000F3;pez</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by/4.0/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.</p></license> </permissions>
<abstract>
<sec>
<title>Background</title>
<p>Hemophilia is an inherited recessive hemorrhagic disorder of the X-linked type, suffered by the male sex. Adults with hemophilia are coping with numerous diagnostics, associated comorbidities, pain, and difficult gait by arthropathy in ankles and feet. Physical pains contribute to depression in patients with hemophilia.</p></sec>
<sec>
<title>Purpose</title>
<p>The study aimed to assess the impact of depression in adult patient with hemophilia and to compare it with healthy matched-paired controls. <italic>Methods:</italic> The sample consisted of 100 participants (median age 42.50 &#x000B1; 30). Patients with hemophilia were recruited from Spanish Hemophiliac Associations (<italic>n</italic> = 50) and healthy subjects (<italic>n</italic> = 50) from a Clinic Podiatry Practices (University of Malaga, Spain).</p></sec>
<sec>
<title>Results</title>
<p>Results and categories of the Spanish-translated version of the Beck Depression Inventory (BDI) were gathered. A clear statistically significant difference (<italic>p</italic> &#x0003C; 0.001) was presented in the variation of the BDI scores between both groups. Patients with hemophilia presented worse results with a BDI = 7.50 &#x000B1; 11.25 points compared to healthy subjects with BDI = 2.50 &#x000B1; 5 points. In the BDI categories, statistically significant differences (<italic>p</italic> = 0.004) were found in greater BDI categories in the Hemophilia group compared with healthy subjects. Moderate and severe depression categories were only shown in patients with hemophilia.</p></sec>
<sec>
<title>Conclusions</title>
<p>Greater depression scores and range status were observed in patients with hemophilia compared to non-patients with hemophilia. Patients with hemophilia are at increased risk of depressiveness.</p></sec></abstract>
<kwd-group>
<kwd>Beck Depression Inventory</kwd>
<kwd>depression</kwd>
<kwd>foot health</kwd>
<kwd>hemophilia</kwd>
<kwd>healthy</kwd>
</kwd-group>
<counts>
<fig-count count="0"/>
<table-count count="2"/>
<equation-count count="0"/>
<ref-count count="30"/>
<page-count count="5"/>
<word-count count="4017"/>
</counts>
</article-meta>
</front>
<body>
<sec sec-type="intro" id="s1">
<title>Introduction</title>
<p>Hemophilia is an inherited recessive hemorrhagic disorder of the X-linked type, suffered by the male sex. There are principally 2 forms of Hemophilia: Hemophilia A, the most usual type caused by a missing clotting factor VIII (prevalence 1 case per 10,000 men), whereas Hemophilia B is produced by the absence of factor IX (prevalence 1 patient every 30,000 men) (<xref ref-type="bibr" rid="B1">1</xref>, <xref ref-type="bibr" rid="B2">2</xref>).</p>
<p>A normal and recurrent manifestation of serious Hemophilia A and B is non-traumatic (spontaneous) intra-articular hemorrhage (i.e., hemarthrosis). The most frequent site of hemorrhage is the ankle, succeeded by the elbow and the knee (<xref ref-type="bibr" rid="B3">3</xref>). Frequent hemarthrosis may cause progressive joint harm, shown by synovial hypertrophy and osteochondral injury. Progressively, the development of hemophilic arthropathy causes severe functional limitations (<xref ref-type="bibr" rid="B4">4</xref>) and painful joint deformations (<xref ref-type="bibr" rid="B5">5</xref>).</p>
<p>This chronic illness is avowed as a significant public health problem, due to the negative impact posing for these patients, your families and health and/or economic burden, with consequent available resources, financial, medical practice, and socioeconomic implications affecting the healthcare (<xref ref-type="bibr" rid="B6">6</xref>, <xref ref-type="bibr" rid="B7">7</xref>).</p>
<p>On the order hand, various investigations have indicated the existence of a relationship between psychological disorders and different musculoskeletal variables (i.e., progress, prognostication, repetition, and gravity of outbreak), with depression and anxiety being regularly implicated as emotional factors in the context (<xref ref-type="bibr" rid="B8">8</xref>&#x02013;<xref ref-type="bibr" rid="B10">10</xref>).</p>
<p>However, at present, there are insufficient studies in Spain that examine the seriousness of depression taking into account its affective, behavioral, and cognitive dimensions and anxiety in patients with hemophilia. In this context, hemophilia is one general pathology in which older patients with hemophilia are frequently faced with numerous diagnostics, associated comorbidities, and pain due to arthropathy affectations (<xref ref-type="bibr" rid="B9">9</xref>).</p>
<p>Despite the importance of this chronic disease, both due to its prevalence and its influence on the daily activities of living, there are insufficient studies in Spain that have measured the influence of anxiety and depression in these patients. The study aimed to assess the impact of depression in adult patients with hemophilia and also to compare healthy subjects with healthy matched-paired controls.</p>
</sec>
<sec id="s2">
<title>Experimental Section</title>
<sec>
<title>Design and Sample</title>
<p>We performed an observational, cross-sectional, descriptive, and case-control research in agreement with Strengthening the Reporting of Observational Studies in Epidemiology Statement (STROBE) guidelines. Using a consecutive sampling method, a total sample of 100 subjects was selected from the Hemophiliac Associations of M&#x000E1;laga, Aragon, and Cantabria (Spain) and a University Clinic (University of M&#x000E1;laga, Spain) between December 2019 and February 2020. Eligible participants were male subjects with hemophilia type A or B diagnosed by a hematologist (case group, <italic>n</italic> = 50) and male salubrious subjects (control group, <italic>n</italic> = 50). The participant selection and inclusion were: (1) male gender (2) older than 18, (3) persons with Hemophilia diagnosed by a specialist physician and not having neurological or psychological problems (case group), and persons without hemophilia and health problems (control group). The exclusion rule were: (1) people with depression, (2) antecedents of previous hematologic disease, (3) neurological problems, (4) a history of surgery and/or orthopedic problems, (5) loss of independence or self-sufficiency in daily routines, (6) refusal to approve the consent form, and (7) cognitive impairment of any etiology.</p>
</sec>
<sec>
<title>Procedure</title>
<p>Baseline measures included general questions associated with (1) demographic variables (age, weight, height, job status, level of studies, and marital status); (2) characteristics of comorbid problems (hyperglycemia, overweight, musculoskeletal difficulties, and circulatory disorders); (3) foot problems. In addition, exact health questions associated with hemophilia, such as (4) type and (5) clinical grade of hemophilia, were recorded. Next, participants completed the BDI questionnaire (<xref ref-type="bibr" rid="B11">11</xref>). This interrogation was interpreted to Spanish and evidenced to become a tested instrument used for assessment of depression that was constituted with 21 questionings, each question had on a scale between 0 and 3 points, giving a total result between 0 and 63 points. The result analysis was registered about the next classification: (1) from 0 to 9:no sign of depression, (2) from 10 to 15: mild depression, (3) from 16 to 23: borderline depression, and (4) from 24 to 57: serious depression. This instrument could be considered a simple and exact exam for the evaluation of persons with indications of depression (<xref ref-type="bibr" rid="B12">12</xref>). BDI has an internal consistency that demonstrates a Cronbach&#x00027;s alpha coefficient of 0.889 (<xref ref-type="bibr" rid="B13">13</xref>).</p>
</sec>
<sec>
<title>Ethical Considerations</title>
<p>This study got a positive report issued by the Ethical Committee from the University of Extremadura (Spain, registry code: 263/2019). Ethical principles for medical research on humans to the Helsinki Declaration (World Medical Association) were respected (<xref ref-type="bibr" rid="B14">14</xref>). The informed consent form was signed by all participants before being included in the investigation.</p>
</sec>
<sec>
<title>Sample Size Calculation</title>
<p>The G <sup>&#x0002A;</sup> Power software (version 3.1.9.2, Universit&#x000E4;t D&#x000FC;sseldorf, D&#x000FC;sseldorf, Germany) was used to calculate the sample size, using the differences between 2 groups of independent samples, based on a preliminary investigation (<italic>n</italic> = 32) with 2 groups (mean &#x000B1; SD) and on the scores of the Beck Depression Inventory (BDI), 16 patients with hemophilia (case group, BDI = 6.50 &#x000B1; 5.50 points) and 16 sane paired participants (control group, BDI = 3.12 &#x000B1; 2.57 points). Also, for sample size calculation were used: 2-tailed test, the effect size of 0.78, the alpha error probability of 0.01, the power (probability of 1-beta error) of 0.90, and 1 allocation ratio (N2/N1). Therefore, a final sample size of 100 subjects, 50 persons with Hemophilia and 50 healthy matched-paired persons, was resolved with an actual power of 0.902.</p>
</sec>
<sec>
<title>Statistical Analysis</title>
<p>Statistical analyses were performed using the SPSS 24.0 (IBM Corp., Armonk, NY, USA). For all analyses, Statistical significance was established at <italic>P</italic> &#x0003C; 0.05 and a 95% confidence interval (CI).</p>
<p>Regarding the quantitative variable, the normality was evaluated by the Kolmogorov-Smirnov test. All data were distributed as non-parametric data (Kolmogorov&#x02013;Smirnov test showed a <italic>p</italic>-value minor than 0.05) and median and interquartile range (IR), as well as maximum and minimum (range) values, were utilized to describe the total sample. Mann&#x02013;Whitney <italic>U</italic>-tests were used to obtain if the differences between both groups were statistically significant.</p>
<p>Concerning categorical variables, frequencies and percentages were applied. The Chi-square test was used to assess differences between both groups (BDI category).</p>
</sec>
</sec>
<sec sec-type="results" id="s3">
<title>Results</title>
<sec>
<title>Descriptive Data</title>
<p>A sample of 100 male subjects finished the research and was classified into two groups, patients with hemophilia and persons without hemophilia (case group, <italic>n</italic> = 50), and salubrious matched-paired participants (control group, <italic>n</italic> = 50) presented an age division from 18 to 80 years old. Furthermore, the participants with hemophilia revealed two types of this chronic illness, type A (90%) showed clinical grades of mild (18%), moderate (14%), and serious (68%), while type B is at 10%. Also, the patients with hemophilia stated they had suffered foot pain (86%) and ankle arthropathy (76%). Statistically significant differences were not shown (<italic>p</italic> &#x0003E; 0.01) between the two groups for descriptive data (<xref ref-type="table" rid="T1">Table 1</xref>).</p>
<table-wrap position="float" id="T1">
<label>Table 1</label>
<caption><p>Descriptive data of the patients with hemophilia and healthy matched-paired controls.</p></caption>
<table frame="hsides" rules="groups">
<thead><tr>
<th valign="top" align="left"><bold>Descriptive Data</bold></th>
<th valign="top" align="left"><bold>Total Group</bold><break/> <bold>(<italic>n</italic> &#x0003D; 100)</bold></th>
<th valign="top" align="left"><bold>Hemophilic</bold><break/> <bold>(<italic>n</italic> &#x0003D; 50)</bold></th>
<th valign="top" align="left"><bold>Healthy</bold> <break/><bold>(<italic>n</italic> &#x0003D; 50)</bold></th>
<th valign="top" align="left"><bold><italic>p</italic>-Value</bold></th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left">Age (years)</td>
<td valign="top" align="left">42.50 &#x000B1; 30.00 (18&#x02013;80)</td>
<td valign="top" align="left">42.50 &#x000B1; 30.75 (18&#x02013;80)</td>
<td valign="top" align="left">42.50 &#x000B1; 30.75 (18&#x02013;80)</td>
<td valign="top" align="left">1.000&#x02020;</td>
</tr>
<tr>
<td valign="top" align="left">Weight (kg)</td>
<td valign="top" align="left">77.00 &#x000B1; 17.50 (56&#x02013;140)</td>
<td valign="top" align="left">76.00 &#x000B1; 19.00 (56&#x02013;140)</td>
<td valign="top" align="left">78.00 &#x000B1; 15.75 (58&#x02013;100)</td>
<td valign="top" align="left">0.994&#x02020;</td>
</tr>
<tr>
<td valign="top" align="left">Height (m)</td>
<td valign="top" align="left">1.76 &#x000B1; 0.10 (1.55&#x02013;1.90)</td>
<td valign="top" align="left">1.76 &#x000B1; 0.10 (1.56&#x02013;1.85)</td>
<td valign="top" align="left">1.76 &#x000B1; 0.10 (1.55&#x02013;1.90)</td>
<td valign="top" align="left">0.972&#x02020;</td>
</tr>
<tr>
<td valign="top" align="left">BMI (kg/m<sup>2</sup>)</td>
<td valign="top" align="left">25.20 &#x000B1; 4.15 (19.30&#x02013;40.90)</td>
<td valign="top" align="left">25.45 &#x000B1; 4.40 (19.30&#x02013;40.90)</td>
<td valign="top" align="left">25.20 &#x000B1; 4.05 (20.20&#x02013;33.20)</td>
<td valign="top" align="left">1.000&#x02020;</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<p><italic>BMI, body mass index. &#x02020;, median &#x000B1; interquartile range, range (min&#x02013;max), and Mann&#x02013;Whitney U-test were used</italic>.</p>
<p><italic>In all the analyses, p &#x0003C; 0.05 (with a 95% confidence interval) was considered statistically significant</italic>.</p>
</table-wrap-foot>
</table-wrap>
</sec>
<sec>
<title>Outcome Measurements</title>
<p>A clear statistically significant difference (<italic>p</italic> &#x0003C; 0.005) was presented for the division of the BDI punctuations between both groups (<xref ref-type="table" rid="T2">Table 2</xref>). Regarding results, subjects who suffered from hemophilia presented worse results of the BDI = 7.50 &#x000B1; 11.25 points (higher BDI scores) compared to healthy subjects with BDI = 2.50 &#x000B1; 5 points (lower BDI results). Regarding the BDI categories, there were statistically significant differences (<italic>p</italic> = 0.004) in greater BDI categories in a hemophilic group compared with healthy subjects. It is worthy to note that moderate and severe depression categories were only shown in patients with hemophilia (<xref ref-type="table" rid="T2">Table 2</xref>).</p>
<table-wrap position="float" id="T2">
<label>Table 2</label>
<caption><p>Comparisons of BDI scores and categories among patients with hemophilia and healthy matched-paired controls.</p></caption>
<table frame="hsides" rules="groups">
<thead><tr>
<th valign="top" align="left"><bold>Outcome Measurements</bold></th>
<th valign="top" align="left"><bold>Total Group</bold> <break/><bold>(<italic>n</italic> &#x0003D; 100)</bold></th>
<th valign="top" align="left"><bold>Hemophiliac</bold><break/> <bold>(<italic>n</italic> &#x0003D; 50)</bold></th>
<th valign="top" align="left"><bold>Healthy</bold><break/> <bold>(<italic>n</italic> &#x0003D; 50)</bold></th>
<th valign="top" align="left"><bold><italic>p</italic>-Value</bold><break/> <bold>(Hemophiliac vs. Healthy)</bold></th>
<th/>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left">BDI<break/> Category&#x0002A;</td>
<td valign="top" align="left">No Depression</td>
<td valign="top" align="left">82 (82%)</td>
<td valign="top" align="left">34 (68%)</td>
<td valign="top" align="left">48 (98%)</td>
<td valign="top" align="left"><bold>0.004&#x0002A;</bold></td>
</tr>
<tr>
<td/>
<td valign="top" align="left">Mild</td>
<td valign="top" align="left">14 (14%)</td>
<td valign="top" align="left">12 (24%)</td>
<td valign="top" align="left">2 (2%)</td>
<td/>
</tr>
<tr>
<td/>
<td valign="top" align="left">Moderate</td>
<td valign="top" align="left">3 (3%)</td>
<td valign="top" align="left">3 (6%)</td>
<td valign="top" align="left">0 (0%)</td>
<td/>
</tr>
<tr>
<td/>
<td valign="top" align="left">Severe</td>
<td valign="top" align="left">1 (1%)</td>
<td valign="top" align="left">1 (2%)</td>
<td valign="top" align="left">0 (0%)</td>
<td/>
</tr>
<tr>
<td valign="top" align="left" colspan="2">BDI scores</td>
<td valign="top" align="left">4.00 &#x000B1; 6.00 (0.00&#x02013;32.00)</td>
<td valign="top" align="left">7.50 &#x000B1; 11.25 (0.00&#x02013;32.00)</td>
<td valign="top" align="left">2.50 &#x000B1; 5.00 (0.00&#x02013;16.00)</td>
<td valign="top" align="left"><bold>&#x0003C;0.001</bold>&#x02020;</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<p><italic>&#x0002A;BDI, Beck depression inventory. Frequency, percentage (%) and Chi-squared test (&#x003C7;<sup>2</sup>) were utilized. BDI domains were divided as: (1) 0 to 9 points without depression, (2) 10 to 15 points: mild depression, (3) 16 to 23 points: moderate depression, (4) 24 to 57 points: severe depression. &#x02020;BDI scores, Median &#x000B1; interquartile range, range (min&#x02013;max) and Mann&#x02013;Whitney U test were used. In all the analyses, p &#x0003C; 0.01 (with a 99% confidence interval) was considered statistically significant (<bold>bold</bold>)</italic>.</p>
</table-wrap-foot>
</table-wrap>
</sec>
</sec>
<sec sec-type="discussion" id="s4">
<title>Discussion</title>
<p>The current investigation was performed to contrast the impact of depression in adult patients with hemophilia also to compare with healthy subjects with healthy matched-paired controls.</p>
<p>To the researchers&#x00027; knowledge, there are insufficient studies in Spain that have measured the influence of anxiety and depression in these patients related with the foot health.</p>
<p>Foot and ankle health is vital to patients with hemophilia, largely due to the major prevalence of musculoskeletal pain in different anatomical areas. Foot and ankle problems have been identified as a public health threat as stated by Wilkins et al., who selected a sample by for high compliance with prophylaxis and analyses of 2.238 participants with hemophilia, reporting severe type A (1889) and type B (349), where one-third of children and two-thirds of adults were shown to have musculoskeletal bleeding, in this anatomical region (<xref ref-type="bibr" rid="B15">15</xref>).</p>
<p>To the researchers&#x00027; knowledge, this study may be considered one of the few investigations in patients with hemophilia using the BDI questionnaire (<xref ref-type="bibr" rid="B16">16</xref>) to measure levels of depression. Previous a research had been undertaken to assess the effect on foot wellness of the allergic asthma associated to quality of life and depression using this questionnaire (<xref ref-type="bibr" rid="B10">10</xref>). Previously, a research had studied the perception of quality of life linked with general health and depression in pediatric populations of patients with hemophilia (<xref ref-type="bibr" rid="B17">17</xref>), and Kim and collaborators studied quality of life and depression in Korean adults with hemophilia using the BDI questionnaire (<xref ref-type="bibr" rid="B18">18</xref>).</p>
<p>The results of our study confirm that people with hemophilia presented a &#x0201C;mild depression status&#x0201D; (24%), contrasted to healthy group without hemophilia (2%). Consequently, this research establishes that in patients with hemophilia, exist a relation with BDI depression results. Instead, some studies associate pain in different musculoskeletal conditions with worse physical and psychological factors (<xref ref-type="bibr" rid="B9">9</xref>, <xref ref-type="bibr" rid="B19">19</xref>&#x02013;<xref ref-type="bibr" rid="B21">21</xref>). In future studies, factors should also be analyzed regarding the risk that can trigger a depression, one of them may be chronic pain. Chronic pain resulting from joint damage is common in hemophilia. Pain in chronic health states is frequently related to depression (<xref ref-type="bibr" rid="B22">22</xref>). In the research of Siboni et al. (<xref ref-type="bibr" rid="B23">23</xref>), two-thirds of patients with hemophilia suffered moderate pain/discomfort contrasted to a quarter of people without hemophilia. Physical problems in limbs and difficulties in walking can contribute to the depression. There is evidence that depression is frequent in the elderly population (<xref ref-type="bibr" rid="B24">24</xref>&#x02013;<xref ref-type="bibr" rid="B26">26</xref>). In our findings, median age of the subjects were 42.50 years and older patients with hemophilia were 80 years.</p>
<p>Furthermore, it should be taken into account in patients with hemophilia that probability of depression is increased by the factor of suffering from chronic disease and chronic joint pain (<xref ref-type="bibr" rid="B27">27</xref>, <xref ref-type="bibr" rid="B28">28</xref>). Thus, certainly, suffering persons from general and hereditary diseases have reaction from an emotional viewpoint (<xref ref-type="bibr" rid="B2">2</xref>).</p>
<p>In addition to this, we found that hemophiliac majority subjects could suffer from overweight, being the median BMI was 25.45 in patients with hemophilia group. According to Wilding et al., the incidence of overweight and obesity in persons with hemophilia in Europe and USA is presently comparable to the universal people at 31%, and there has been an important increment in pediatric hemophilic population (<xref ref-type="bibr" rid="B29">29</xref>). In entire population, obesity is linked with a raised possibility of high arterial tension, type two diabetes, collapse, coronary heart disease, bone disease, and clinical depression. In patients with hemophilia, obesity has also been connected with limited range of movement in articulations and incremented persistent pain (<xref ref-type="bibr" rid="B29">29</xref>, <xref ref-type="bibr" rid="B30">30</xref>). The increased incidence of overweight and obesity in patients with hemophilia notably increments the probability of extending extra comorbidities with aging (<xref ref-type="bibr" rid="B28">28</xref>).</p>
<p>Contrasting our results with implications of other studies was not possible due to the contrast in methodological and criteria variations.</p>
<p>Further, this investigation had some limitations. First, a future study with bigger sample sizes, as well as longitudinal evaluation of results, would facilitate in determining definitive conclusions. Second, though appropriate validity and reliability have been created for the BDI questionnaire, their reliability has not yet been recognized expressly for patients with hemophilia and should be considered for future studies. Other limitation of the present study is heterogeneous characteristic s of the sample (subjects who lives in different locations of Spain). Ultimately, it would become of advantage to study patients with hemophilia and with depression in terms of factually calculated results, for example, a clinical and radiological evaluations of articulation state.</p>
</sec>
<sec sec-type="conclusions" id="s5">
<title>Conclusions</title>
<p>Greater depression scores and ranges status was observed in patients with hemophilia compared to patients without hemophilia. Patients with hemophilia are at increased risk of depressiveness. Thus, individuals from this group should be monitored for potential depressive symptoms. Because hemophilia is a rare disease that requires a multidisciplinary approach, to promote physical and psychological wellness, patients should be attended in comprehensive care of hemophilia treatment center, including psychological evaluation and care.</p>
</sec>
<sec sec-type="data-availability" id="s6">
<title>Data Availability Statement</title>
<p>The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation.</p>
</sec>
<sec id="s7">
<title>Ethics Statement</title>
<p>The studies involving human participants were reviewed and approved by University of Extremadura (Spain, registry code: 263/2019). The patients/participants provided their written informed consent to participate in this study.</p>
</sec>
<sec id="s8">
<title>Author Contributions</title>
<p>AJ-C, PP-L, RBV, ML-I, EN-F, MS-A, CC-L, and DL-L: conceptualization, formal analysis, methodology, supervision, writing&#x02014;original draft, and writing&#x02014;review and editing. AJ-C: data curation. All authors contributed to the article and approved the submitted version.</p>
</sec>
<sec sec-type="COI-statement" id="conf1">
<title>Conflict of Interest</title>
<p>The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.</p>
</sec>
<sec sec-type="disclaimer" id="s9">
<title>Publisher&#x00027;s Note</title>
<p>All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.</p>
</sec> 
</body>
<back>
<ack><p>The authors thank the Hemophilia Associations of Aragon, Cantabria, and Malaga for the help in contacting with the participants for this study.</p>
</ack>
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