• J Zonzini Gaino, M Barros Bértolo, C Silva Nunes, C de Morais Barbosa, Z Sachetto, M Davitt, and E de Paiva Magalhães.
• Department of internal medicine, rheumatology, faculty of medical sciences, State University of Campinas-Unicamp, Campinas, São Paulo, Brazil.
• Ann Phys Rehabil Med. 2019 Mar 1; 62 (2): 84-91.

BackgroundPatients with rheumatoid arthritis (RA) are at increased risk of falls, with potential adverse outcomes. There is a considerable variation across studies regarding the prevalence of falls and its correlation with clinical data, disease-related outcomes and physical performance tests.ObjectiveThe aim of this study was to evaluate the prevalence of falls and its association with clinical data, disease-related outcomes and physical performance tests.MethodsIn this cross-sectional study, 113 RA patients were divided into 3 groups - "non-fallers", "sporadic fallers" and "recurrent fallers" - and compared in terms of clinical data, Clinical Disease Activity Index (CDAI), lower-limb tender and swollen joint count, disability (Health Assessment Questionnaire-Disability Index [HAQ-DI]), Foot Function Index (FFI), Berg Balance Scale (BBS), Timed-up-and-go Test (TUG) and 5-Time Sit Down-To-Stand Up Test (SST5). Logistic regression analysis was performed to analyze the associations between the studied variables and the occurrence of falls, estimating odds ratios (ORs). We also analyzed the correlation between disease outcome measures (HAQ-DI and CDAI) and physical tests (BBS, TUG, SST5).ResultsFalls and fear of falling were reported by 59 (52.21%) and 71 (64.5%) patients, respectively. Significant associations were found between "recurrent fallers" and vertigo (OR=3.42; P=0.03), fear of falling (OR=3.44; P=0.01), low income (OR=2.02; P=0.04), CDAI (OR=1.08; P<0.01), HAQ-DI (OR=3.66; P<0.01), Lower-limb HAQ (OR=3.48; P<0.01), FFI-pain (OR=1.24; P=0.03), FFI-total (OR=1.23; P=0.04), lower-limb tender joint count (OR=1.22; P<0.01), BBS score (OR=1.14; P<0.01), TUG score (OR=1.13; P=0.03) and SST5 score (OR=1.06; P=0.02). On multivariate analysis, CDAI was the only significant predictor of recurrent falls (OR=1.08; P<0.01). Physical performance test scores (BBS, TUG, SST5) were correlated with the CDAI and HAQ-DI.ConclusionThe prevalence of falls in RA is high, most influenced by disease-related outcomes and linked to worse performance on physical tests (BBS, TUG and SST5).Copyright © 2018 Elsevier Masson SAS. All rights reserved.

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