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. 2019 Jul;38(7):1823-1830.
doi: 10.1007/s10067-019-04486-5. Epub 2019 Feb 26.

Prevalence of frailty and its associated factors in patients with rheumatoid arthritis: a cross-sectional analysis

Fausto Salaffi  1 , Marco Di Carlo  2 , Sonia Farah  1 , Eleonora Di Donato  1 , Marina Carotti  3
Affiliations

Prevalence of frailty and its associated factors in patients with rheumatoid arthritis: a cross-sectional analysis

Fausto Salaffi et al. Clin Rheumatol. 2019 Jul.

Abstract

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.

Keywords: Comorbidities; Frailty syndrome; Grip strength; Rheumatoid arthritis; SHARE-FI.

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