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Table 3 Associations of performance-based tests with the BASDAI questionnaire and BASMI (tests 1 to 6 plus 8 together, test 7 separate) (n = 126)

From: Moving instead of asking? Performance-based tests and BASFI-questionnaire measure different aspects of physical function in ankylosing spondylitis

Tests 1 to 6 plus 8 R-square Beta Pvalue
BASDAI 0.08 0.28 0.002
BASMI (n = 98) 0.24 0.50 0.000
Test 7    
BASDAI 0.00 -0.06 0.534
BASMI (n = 97) 0.60 0.77 0.000
  1. Tests: 1) climbing stairs, 2) bending, 3) reaching up, 4) putting on socks, 5) reclining and declining from a chair, 6) getting up from the floor, 7) looking over the shoulder, 8) physically demanding activity. BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASMI, Bath Ankylosing Spondylitis Metrology Index.