P029 Assessment of diagnosis delay during enthesitis related arthritis

Rheumatology ◽  
2021 ◽  
Vol 60 (Supplement_5) ◽  
Author(s):  
Hiba Bettaieb ◽  
Hanene Ferjani ◽  
Dorra Ben Nessib ◽  
Wafa Triki ◽  
Kaouther Maatallah ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Structural Damage ◽  
Functional Disability ◽  
Disease Onset ◽  
P Value ◽  
Diagnosis Delay ◽  
Distinct Subgroup ◽  
Male Predominance ◽  
Enthesitis Related Arthritis

Abstract Background Enthesitis related arthritis (ERA) is a distinct subgroup of juvenile arthritis characterized by male predominance and adolescent onset. Though, ERA patients still experience long diagnosis delays. This may lead to articular damage and functional disability. The aim of this study was to quantify the lag time between ERA symptoms onset and diagnosis and to evaluate its impact on disease activity, functional disability and structural damage. Methods A retrospective monocentric study was carried out on ERA patients. Diagnosis delay was collected from patients’ medical files. Disease activity was evaluated by: erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Functional disability and structural damage were evaluated by Bath Ankylosing Spondylitis Fonctional Index (BASFI) and Bath Ankylosing Spondylitis Radiology Index (BASRI) respectively. Data were analyzed using the SPSS statistical package. A p-value < 0.05 was considered significant. Results Thirty-four patients with a mean age of 23.8 ± 7.5 years were included. Male to female sex ratio was 3.85. Mean age at disease onset was 12 ± 2.6 years. Median disease duration was 108 months [12–408]. Median ERA diagnosis delay was 10 months [3–108]. Median ESR and CRP were 35 mm/h [8–90] and 20 mg/l [1–70] respectively. Median BASDAI score was 4.7 [1–9.7]. Median BASFI and BASRI scores were 4.6 [1.9–10] and 10 [2–16] respectively. Coxitis was found in 38.2% of cases. On statistical analysis, significant positive correlation was found between ERA diagnosis delay and ESR (P = 0.03, r = 0.69) and CRP (P = 0.05, r = 0.456) respectively. No link was noted between ERA diagnosis delay and these parameters: gender (P = 0.58), age at disease onset (P = 0.68), occurrence of coxitis (P = 0.66), BASFI (P = 0.08), BASDAI (P = 0.45) and BASRI (P = 0.12). Conclusion ERA patient’s journey was long in our study. Longer delays were associated with higher ESR and CRP levels. Further studies are required to confirm our results.

P009 Osteoporosis is a frequent complication in enthesitis related arthritis patients

Rheumatology ◽  
2021 ◽  
Vol 60 (Supplement_5) ◽  
Author(s):  
Hanene Ferjani ◽  
Hiba Bettaieb ◽  
Kaouther Maatallah ◽  
Dorra Ben Nessib ◽  
Wafa Triki ◽  
...  
Keyword(s):  
Disease Activity ◽  
Corticosteroid Therapy ◽  
Disease Duration ◽  
Activity Index ◽  
Demographic Data ◽  
Disease Onset ◽  
Osteoporotic Fractures ◽  
P Value ◽  
Bone Mass Loss ◽  
Enthesitis Related Arthritis

Abstract Background Enthesitis related arthritis (ERA) represents a clinical entity of juvenile idiopathic arthritis. This chronic rheumatic disease may lead to early bone mass loss and increase risk fracture. The aims of this study were to evaluate the prevalence of clinical osteoporosis in patients with ERA and to identify what factors are associated with increased occurrence of osteoporosis. Methods We reviewed the medical records of patients with confirmed ERA. We analyzed their demographic data and the clinical characteristics. Dual-energy X-ray absorptiometry (DEXA) was used to determine bone status. Osteoporosis was defined as Z score <-2.5DS. Disease activity was evaluated by: erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Data were analyzed using the SPSS statistical package. A P-value < 0.05 was considered significant. Results Thirty-three patients (27 male and 7 female) with a mean age at of 23.8 ± 7.5 years were enrolled. The mean age at disease onset was 12 ± 2.6 years. Median disease duration was 108 months [12–408]. The median ESR and CRP levels were 35 mm/h [8–90] and 20 mg/l [1–70] respectively. Median BASDAI score was 4.7 [1–9.7]. At bone densitometry, osteoporosis and osteopenia were found in 44.1% and 23.5% cases respectively. None of the patients had a history of osteoporotic fractures. Long term corticosteroid therapy and sedentarily were noted in 18.2% and 47.1% of patients respectively. On statistical analysis, osteoporosis was associated with these parameters: age at ERA onset (P = 0.035), disease duration (P = 0.04), CRP (P = 0.009), BASDAI score (P = 0.05) and sedentarily (P = 0.031). Neither corticosteroid therapy (P = 0.68) nor high ESR level (P = 0.73) were associated with osteoporosis. Conclusion In this study, osteoporosis was a common extra articular feature during ERA. As adult spondyloarthritis, disease activity, duration and sedentarily seem to be associated with the bone loss.

scholarly journals AB0740 IMPACT OF DIAGNOSIS DELAY ON DISEASE PARAMETERS DURING JUVENILE IDIOPATHIC ARTHRITIS

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 1399.2-1399
Author(s):  
H. Bettaieb ◽  
H. Ferjani ◽  
K. Maatallah ◽  
D. Kaffel ◽  
W. Hamdi
Keyword(s):  
Juvenile Idiopathic Arthritis ◽  
Bone Loss ◽  
Disease Activity ◽  
Activity Index ◽  
Joint Destruction ◽  
Disease Onset ◽  
Atlantoaxial Subluxation ◽  
P Value ◽  
Diagnosis Delay ◽  
Delay In Diagnosis

Background:Juvenile idiopathic arthritis (JIA) is the most common type of arthritis in childhood (1). Prompt diagnosis is mandatory to avoid joint destruction and growth abnormalities. However, it’s often misdiagnosed by pediatricians and general practitioners leading to longer diagnosis delay (2).Objectives:The aim of this study was to evaluate the lag time between JIA symptoms onset and diagnosis and its impact on disease activity and bone loss.Methods:A retrospective monocentric study was carried out on JIA patients (ILAR criteria). Diagnosis delay was collected from the patient’s medical files. Disease activity at JIA diagnosis was evaluated by JADAS10 (Juvenile Arthritis Disease Activity Score) in poly and oligoarticular subtypes and by BASDAI (Bath Ankylosing Spondylitis Disease Activity Index) in arthritis related enthesitis form. The data were analyzed using the SPSS statistical package. A p value < 0.05 was considered significant.Results:We enrolled 48 JIA (31 male and 17 female) with a mean age at disease onset of 11.2 ± 3.8 years. The median disease duration was 84 months [2-408]. The median JIA diagnosis delay was 8 months [1-108]. The JIA subgroups were in decreasing order of frequency: Enthesitis-related Arthritis (n=32), Polyarticular RF- (n=4), Polyarticular RF+ (n=2), Oligoarticular (n=6), Systemic (n=2), Psoriatic Arthritis (n=1) and Undifferentiated (n=1).At diagnosis, median ESR and CRP were 44 mm/hour [2-100] and 24 mg/l [2-86] respectively. Median JADAS10 score was 4 [0-21]. Median BASDAI score was 6.2 [2-9.4].At follow-up, five patients (10.4%) had atlantoaxial subluxation and 17 had coxitis (43.8%).At bone densitometry, 45% of patients had osteroposis and 27.5% had osteopenia.An agreement was assessed between a long diagnosis delay and the following parameters: male gender (p=0.04) and osteoporosis (p=0.018). A Significant positive correlation was found between delay in JIA diagnosis and BASDAI score (p=0.047, r=0.63). No association was found between JIA diagnosis delay and JADAS score (p=0.56). Neither ESR (p=0.19) nor CRP (p=0.42) was associated with JIA diagnosis delay.Finally, no link was observed with the occurrence of hip arthritis (p=0.281) or atlantoaxial subluxation (p=0.137).Conclusion:In this study, delay in diagnosis was associated with higher disease activity scores and bone loss. Our results suggest that early identification and treatment of JIA leads to improved outcomes as well as bone mass.References:[1]Petty R.E., Southwood T.R., Manners P. International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: second revision, Edmonton, 2001. J Rheumatol. 2004;31(2):390.[2]Foster HE, Scott C, Tiderius CJ,et al. Improving musculoskeletal health for children and young people - A ‘call to action’. Best Pract Res Clin Rheumatol. 2020 Oct;34(5):101566.Disclosure of Interests:None declared

scholarly journals AB0669 PARTICULARITIES OF TUNISIAN FEMALE AXIAL SPONDYLOARTHRITIS

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1629.2-1629
Author(s):  
K. Ben Abdelghani ◽  
Y. Gzam ◽  
A. Fazaa ◽  
S. Miladi ◽  
K. Ouenniche ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Axial Spondyloarthritis ◽  
Activity Index ◽  
Age At Onset ◽  
Disease Onset ◽  
Disease Activity Index ◽  
Reactive Protein ◽  
Significant Difference ◽  
The Mean

Background:Axial spondyloarthritis (ax-SpA) is a chronic rheumatic disease that mainly affects men. However, the female form of ax-SpA remains insufficiently studied.Objectives:The aim of this study was to determine the clinical characteristics, the disease activity and the functional impact of female ax-SpA in comparison with male ax-SpA.Methods:This is a retrospective study including patients diagnosed with ax-SpA fulfilling the criteria of the Assessment of SpondyloArthritis international Society (ASAS) 2009.Clinical parameters, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), Bath ankylosing spondylitis disease activity index (BASDAI) and Bath ankylosing spondylitis functional index (BASFI) were compared between groups of female and male ax-SpA.Results:Two hundred ax-SpA patients were included with 31% of female (n=62) and a mean age of 43,3 ± 11,2 years.The mean age at onset of symptoms was 31,8 ± 8,9 years for women and 25,3 ± 9,1 years for men (p <0,0001). The mean age at diagnosis was 36,4 ± 9,6 years for women and 31,7 ± 10,4 years for men (p = 0,003). Ax-SpA with juvenile onset was noted in 1,7% of women and 12,1% of men (p = 0,02). Male ax-SpA were significantly more smokers (46.8% vs 5.4%; p <0.001). The mean duration of morning stiffness was 11,3 ± 9,2 minutes for women versus 21,6 ± 19,3 minutes for men (p = 0,005).The mean ESR was 42,4 ± 29,8 mm for women and 28,3 ± 23,4 mm for men (p = 0,001). Radiographic sacroiliitis was present in 69,3% of women versus 84,7% of men (p = 0,01). The use of anti-TNF alpha was less frequent in women (29% vs 48,5%; p = 0,01).Our study didn’t found a statistically significant difference in peripheral manifestations, extraarticular manifestations, CRP, BASDAI and BASFI between the two groups.Conclusion:Female ax-SpA seems to have a better prognosis than male with older age in disease onset, less inflammation, less radiographic sacroiliitis and less use of biological treatments.References:[1]Rusman T, et al. Curr Rheumatol Rep. 2018; 20(6).[2]Siar N, et al. Curr Rheumatol Rev. 2019;Disclosure of Interests:None declared

P018 Functional impairment in enthesitis related arthritis patients

Rheumatology ◽  
2021 ◽  
Vol 60 (Supplement_5) ◽  
Author(s):  
Hanene Ferjani ◽  
Hiba Bettaieb ◽  
Lobna Ben Ammar ◽  
Kaouther Maatallah ◽  
Dorra Ben Nessib ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Functional Status ◽  
Functional Impairment ◽  
Morning Stiffness ◽  
Life Questionnaire ◽  
Enthesitis Related Arthritis ◽  
Asas Criteria

Abstract Background Enthesitis related arthritis (ERA) is a subgroup of juvenile idiopathic arthritis. It is characterized by the presence of enthesitis and predominately lower limb arthritis and can affect sacroiliac joint and spine. Recent studies showed that ERA is associated with worse physical status and poorer quality of life (1). The main objective of this study was to compare the aspects of functional status in patients (ERA) and patients with spondyloarthritis (SpA). Methods A retrospective monocentric study was carried out on patients with ERA (ILAR criteria) or SpA (ASAS Criteria). Demographic data and clinical characteristics were obtained from medical records. Disease activity was evaluated by: erythrocyte sedimentation rate (ESR), C-reactive protein rate (CRP) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Functional impairment was evaluated by Bath Ankylosing Spondylitis Functional Index (BASFI) and Ankylosing Spondylitis Quality of life Questionnaire (ASQoL). Global well-being was assessed by Bath Ankylosing Spondylitis Global Index (BASGI). Population was divided into two groups: group 1 (G1) stands for ERA patients and group 2 (G2) stands for SpA patients. P &lt; 0.05 was considered statistically significant. Results A total of 174 patients (40 ERA and 134 SpA) were enrolled. Mean age at disease onset was 12.4 ± 3 years in G1 and 27.8 ± 8 years in G2. Male to female sex ratio was 5.6 in G1 and 3.7 in G2. Morning stiffness (&gt;60 min) was reported by 37.5% of G1 and 49.3%. G1 patients had longer morning stiffness than G2 (61 [0–90] min vs 30 [0–240] min; P = 0.58). Multiple nocturnal awakenings were reported by 45% of G1 patients and 58.2% of G2 patients. Median BASDAI score was 4.9 [1–44] in G1 and 4.5 in G2 [0–10] (P = 0.48). Median BASGI score was 6 [1.5–9.5] in G1 and 6 [0–10] in G2 (P = 0.58). Median ESR was 35 mm/h [8–90] in G1 and 35 mm/h [2–125] in G2. Median CRP was 18.2 mg/l [1–70] in G1 and 13 mg/l [3–180] in G2. The assessment of functional status revealed that G1 patients had higher BASFI scores than G2 patients (5.2 vs 4.5). The association between G1 and BASFI was statistically significant (P = 0.05). Median ASQoL was 12 [2–17] in G1 and 9 [0–18] in G2. No link was noted between G1 and ASQoL score (P = 0.152). Conclusion Our study showed that ERA was associated with higher BASFI scores in comparison with SpA. Treat-to target strategies are mandatory in order to optimize the functional status of children with ERA.

Assessment of Preclinical Atherosclerosis in Patients with Ankylosing Spondylitis

2012 ◽  
Vol 39 (2) ◽  
pp. 322-326 ◽  
Author(s):  
WAFA HAMDI ◽  
MOUNA CHELLI BOUAZIZ ◽  
IMEN ZOUCH ◽  
MOHAMED MEHDI GHANNOUCHI ◽  
MANEL HAOUEL ◽  
...  
Keyword(s):  
Risk Factors ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Structural Damage ◽  
Activity Index ◽  
Age At Onset ◽  
Disease Activity Index ◽  
Mobility Limitations ◽  
Increased Risk ◽  
Preclinical Atherosclerosis

Objective.Epidemiological studies recently confirmed the increased risk of vascular morbidity and mortality during ankylosing spondylitis (AS). Increase of intima-media thickness (IMT) of the common carotid artery is a useful and noninvasive marker of preclinical atherosclerosis. The aim of our study was to compare IMT in patients with AS with matched controls and to determine risk factors of atherosclerosis related to AS.Methods.We performed a prospective study of 60 consecutive patients meeting modified New York criteria for AS, compared to 60 controls matched for age and sex. Disease-specific measures were determined. Measurement of IMT was performed by the same radiologist using the same machine and probe in right and left common carotid arteries, and the average of the 2 measurements was considered.Results.In total 48 male and 12 female patients were recruited, and 60 corresponding controls; mean age was 36 ± 11 years. We found significantly increased IMT in the AS group (0.51 ± 0.12 mm) compared with controls (0.39 ± 0.09 mm; p = 0.001). After adjustment for confounding factors, increased IMT was still present (p = 0.003). Age at onset of AS (p = 0.001), Bath AS Disease Activity Index (p = 0.002), AS Disease Activity Score (ASDAS) erythrocyte sedimentation rate (ESR; p = 0.047), ASDAS C-reactive protein (CRP; p = 0.012), Bath AS Functional Index (p = 0.008), global spine visual analog scale for pain (p = 0.000), Schober index (p = 0.039), Bath AS Metrology Index (p = 0.028), modified Stoke Ankylosing Spondylitis Spine Score (p = 0.035), and high ESR (p = 0.001) and CRP (p = 0.000) were correlated with high IMT in patients with AS. Otherwise, status of arthritis (p = 0.442), enthesitis (p = 0.482), and HLA-B27 (p = 0.528) seemed to have no effect on IMT.Conclusion.AS is associated with an increased risk of atherosclerosis independent of traditional risk factors. Disease activity, functional and mobility limitations, structural damage, and inflammation are the most incriminated risk factors.

scholarly journals Increased Body Mass Index in Ankylosing Spondylitis Is Associated with Greater Burden of Symptoms and Poor Perceptions of the Benefits of Exercise

2012 ◽  
Vol 39 (12) ◽  
pp. 2310-2314 ◽  
Author(s):  
LAURA DURCAN ◽  
FIONA WILSON ◽  
RICHARD CONWAY ◽  
GAYE CUNNANE ◽  
FINBAR D. O’SHEA
Keyword(s):  
Body Mass Index ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Body Mass ◽  
Functional Disability ◽  
Activity Index ◽  
Demographic Data ◽  
Functional Limitation ◽  
Disease Characteristics ◽  
Significant Difference

Objective.Increased body mass index (BMI) in patients with ankylosing spondylitis (AS) is associated with a greater burden of symptoms and poor perceptions of the benefits of exercise. In AS, the effect of obesity on disease characteristics and exercise perceptions is unknown. We evaluated the prevalence of obesity in AS, to assess the attitudes of patients toward exercise and to evaluate the effect of obesity on symptoms and disease activity.Methods.Demographic data and disease characteristics were collected from 46 patients with AS. Disease activity, symptomatology, and functional disability were examined using standard AS questionnaires. BMI was calculated. Comorbidity was analyzed using the Charlson Comorbidity Index. Patients’ attitudes toward exercise were assessed using the Exercise Benefits and Barriers Scale (EBBS). We compared the disease characteristics, perceptions regarding exercise, and functional limitations in those who were overweight to those who had a normal BMI.Results.The mean BMI in the group was 27.4; 67.5% of subjects were overweight or obese. There was a statistically significant difference between those who were overweight and those with a normal BMI regarding their perceptions of exercise (EBBS 124.7 vs 136.6, respectively), functional limitation (Bath AS Functional Index 4.7 vs 2.5, Health Assessment Questionnaire 0.88 vs 0.26), and disease activity (Bath AS Disease Activity Index 4.8 vs 2.9). There was no difference between the groups in terms of their comorbid conditions or other demographic variables.Conclusion.The majority of patients in this AS cohort were overweight. They had a greater burden of symptoms, worse perceptions regarding the benefits of exercise, and enhanced awareness of their barriers to exercising. This is of particular concern in a disease where exercise plays a crucial role.

Clinical Correlates of Urolithiasis in Ankylosing Spondylitis

2011 ◽  
Vol 38 (9) ◽  
pp. 1953-1956 ◽  
Author(s):  
NAI LEE LUI ◽  
ADELE CARTY ◽  
NIGIL HAROON ◽  
HUA SHEN ◽  
RICHARD J. COOK ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Ankylosing Spondylitis ◽  
Crohn's Disease ◽  
Disease Activity ◽  
Functional Disability ◽  
Spinal Mobility ◽  
Joint Involvement ◽  
Control Group ◽  
Significant Difference ◽  
History Of

Objective.To determine the association between urolithiasis and syndesmophyte formation and the effect of urolithiasis on ankylosing spondylitis (AS) disease activity.Methods.In a longitudinal cohort of 504 patients with AS, we conducted an analysis of all patients with AS who have a history of urolithiasis. All patients met the modified New York criteria for AS. Demographics, clinical characteristics, extraarticular features, and comorbidities are systematically recorded in the database. We compared disease activity, functional indices, medical therapy and radiographic damage between AS patients with (Uro+) and without urolithiasis (Uro–) using the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS).Results.Thirty-eight patients with AS (7.5%) had a history of urolithiasis in our cohort. Seventy-six patients with AS who did not have urolithiasis, matched for age, sex, and ethnicity, were selected as controls. Patients who were Uro+ were more likely to have more functional disability, based on the Bath AS Functional Index (BASFI; mean 5.3 vs 3.6 in control group, p = 0.003). Trends were noted in the Uro+ group toward higher Bath AS Disease Activity Index (BASDAI; mean 4.9 vs 4.0, p = 0.09), more peripheral joint involvement (p = 0.075), and higher frequency of biologic therapy (p = 0.09). No significant difference was detected in mSASSS or the Bath AS Metrology Index (BASMI). Significant association with diabetes mellitus (DM; p = 0.016) and Crohn’s disease (p = 0.006) was noted in the Uro+ group.Conclusion.Although there is no acceleration of syndesmophyte formation or spinal mobility restriction, more functional disability was detected in the urolithiasis group. The higher risk with concomitant DM or Crohn’s disease should alert clinicians to these comorbidities in Uro+ patients with AS.

scholarly journals Higher disease activity leads to more structural damage in the spine in ankylosing spondylitis: 12-year longitudinal data from the OASIS cohort

2014 ◽  
Vol 73 (8) ◽  
pp. 1455-1461 ◽  
Author(s):  
Sofia Ramiro ◽  
Désirée van der Heijde ◽  
Astrid van Tubergen ◽  
Carmen Stolwijk ◽  
Maxime Dougados ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Longitudinal Data ◽  
Disease Activity ◽  
Structural Damage

scholarly journals The Impact of Body Mass Index on Disease Progression in Ankylosing Spondylitis

2018 ◽  
Vol 72 (1) ◽  
pp. 23-28
Author(s):  
Jūlija Zepa ◽  
Inita Buliņa ◽  
Vladimirs Lavrentjevs ◽  
Ilze Vīnkalna ◽  
Liene Ņikitina-Zaķe ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Body Mass ◽  
Functional Disability ◽  
Activity Index ◽  
Spinal Mobility ◽  
Peripheral Arthritis ◽  
The Mean ◽  
The Impact

Abstract Obesity can be a factor that affects the course of chronic systemic inflammatory arthritis. The objective of this study was to characterise patients with ankylosing spondylitis (AS) according to an evaluation of their body mass index (BMI) and by exploring the link between the overweightness and obesity with routinely measured disease-specific variables, including disease activity (Bath Ankylosing Spondylitis Disease Activity Index BASDAI; Ankylosing Spondylitis Disease Activity Score, using CRP, ASDAScrp), spinal mobility (Bath Ankylosing Spondylitis Metrology Index, BASMI), functional capacity (BASFI), extraspinal manifestations like fatigue, uveitis, and peripheral arthritis present during the course of the disease. A total of 107 patients were included in the cross-sectional study fulfilling the modified New York criteria for AS. Patients were divided into three groups: with the evaluation of BMI ≤ 24.9, 25.0–29.9 (overweight) and ≥ 30.0 (obesity). The mean BMI was 25.13 (SD 4.07). 33% of patients were overweight and 15% were obese. The mean values of age, duration of AS, ASDAScrp, BASDAI, Bath Ankylosing Spondylitis Functional Index (BASFI), BASMI, pain in spine, and fatigue in the group with BMI ≤ 24.9 were lower than in the other groups (p < 0.05). There was no difference between groups in age of AS onset, uveitis and peripheral arthritis. AS patients who were overweight or obese had a higher level of the disease activity, pain, fatigue, functional disability and spinal mobility impairment with worse values in the case of obesity.

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