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Table 3 Results of multivariate linear regression analyses of change in pain and disability measures with statistically significant factors (P < 0.05)

From: Factors predicting the outcome of customised foot orthoses in patients with rheumatoid arthritis: a prospective cohort study

  NRS foot pain (n = 109) FFI pain (n = 107) WOMAC pain (n = 108) FFI disability (n = 107) WOMAC physical function (n = 108) Walking time (n = 103)
Variable B (95% CI) B (95% CI) B (95% CI) B (95% CI) B (95% CI) B (95% CI)
Disease duration -0.064 (-0.118 to-0.011)   -0.679 (-1.087 to-0.270) -0.584 (-0.968 to-0.201) -0.588 (-0.962 to-0.214)  
Age       -0.026 (-0.044 to-0.007)
Baseline value 0.344 (0.192 to 0.495) 0.518 (0.371 to 0.664) 0.316 (0.173 to 0.459) 0.233 (0.111 to 0.355) 0.295 (0.171 to 0.418) 0.371 (0.291 to 0.452)
R2 0.196 0.325 0.235 0.192 0.240 0.461
  1. Reduced patient numbers in the multivariate linear regression analyses were due to random missings in the outcome measures or selected predictors.