Skip to main content

Table 5 The explained variance (Adjusted R2) between baseline outcome variables, predictors and NDI, EQ-5D or pain intensity as outcome after 12 weeks explored by linear regression analysis

From: The association between different outcome measures and prognostic factors in patients with neck pain: a cohort study

  Outcomes
Pain intensity NDI EQ-5D
  n = 941 n = 939 n = 941
Baseline outcome variables/Model Adjusted R2 Adjusted R2 Adjusted R2
Baseline pain intensity (only Block 5a) 0.11 0.11 0.05
Baseline NDI (only Block 5b) 0.19 0.53 0.26
Baseline EQ-5D (only Block 5c) 0.11 0.26 0.34
Final model (Block 1 to 4), no baseline variable 0.22 0.37 0.21
Final model and baseline pain intensity (Block 1 to 5a) 0.25 0.39 0.22
Final model and baseline NDI (Block 1 to 5b) 0.27 0.60 0.31
Final model and baseline EQ-5D (Block 1 to 5c) 0.25 0.47 0.42
  1. Note: The scales are transformed to a 0–100 scale for both baseline and outcome