Changes in physical function over time in rheumatoid arthritis patients: A cohort study
Fig 5
A. Mean and SD of muscle strength by handgrip test stratified by disability status of HAQ-DI. B. Median and (IQR) of muscle strength by chair test stratified by disability status of HAQ-DI. C. Median and (IQR) of physical performance by Timed up and go (TUG) test stratified by disability status of HAQ-DI. D. Median and (IQR) of physical performance by The Short Physical Performance (SPPB) test stratified by disability status of HAQ-DI. Independent Samples Kruskal-Wallis test for all analysis.