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Table 2 Univariable and multivariable associations of performance-based tests with the BASFI questionnaire (tests 1 to 6 and 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
Univariable 0.31 Performance 0.56 0.000
Multivariable 0.54 Performance 0.19 0.018
   Exertion 0.38 0.000
   Pain 0.26 0.008
Test 7    
Univariable 0.39 Performance 0.63 0.000
Multivariable 0.51 Performance 0.49 0.000
   Exertion 0.00 0.991
   Pain 0.36 0.001
  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. BASFI, Bath Ankylosing Spondylitis Functional Index.