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Erschienen in:
26.02.2019 | Original Article
Prevalence of frailty and its associated factors in patients with rheumatoid arthritis: a cross-sectional analysis
Erschienen in: Clinical Rheumatology | Ausgabe 7/2019
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Objectives
The aims of the present research were to assess the prevalence of frailty and its potential associated factors in a cohort of adult patients with rheumatoid arthritis (RA).
Methods
Consecutive RA patients and healthy controls were assessed according to the Survey of Health, Ageing and Retirement in Europe Frailty Instrument (SHARE-FI), and classified as frail, pre-frail, or non-frail. Chi-square, analysis of variance (ANOVA), and multinomial logistic regression analyses were used to test the prognostic value of frailty for the outcomes of interest.
Results
Two hundred and ten consecutive RA patients (65.7% female, mean age 60.4 years) and 100 healthy controls (63% female, mean age 59.1 years) were included. According to SHARE-FI criteria, 35 RA patients (16.6%) were categorized as frail, 68 (32.4%) as pre-frail, and 107 (51%) as non-frail, while 8 control subjects were categorized as frail, (8%), 17 as pre-frail (17%), and 75 as non-frail (75%) (chi-squared 12.8; P = 0.0016). The results from logistic regression analysis revealed that age (odds ratio [OR] = 1.12, 95% confidence interval [CI] = 1.07–1.17; P < 0.0001), comorbidities (OR = 1.51, 95% CI = 1.01–2.27; P = 0.0446), and high disease activity (OR = 1.10, 95% CI = 1.04–1.16; P = 0.0006) were independently associated with frailty in RA.
Conclusions
Frailty or pre-frailty are common in RA. The SHARE-FI may be a useful tool for the screening of frailty in RA and may summarize the results of a comprehensive RA assessment providing a marker of deficits accumulation.