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Table 6 Multivariate logistic regression predicting likelihood of recovery at 3 months post injury for GPE and NDI outcomes

From: Evidence-based care in high- and low-risk groups following whiplash injury: a multi-centre inception cohort study

Outcome Predictor variables OR 95% CI p-value Nagelkerke R2
GPE CPR (medium-risk vs. low-risk)
CPR (high-risk vs. low-risk)
.646
.197
.226
.050
1.849
.781
0.415
0.021*
 
SF-12 mental 1.070 1.032 1.109 0.000*  
SF-12 physical 1.056 1.009 1.105 0.019* .364
Therapeutic relationship 1.168 1.018 1.340 0.026* .384
WAD-Evidence tool score .999 .983 1.014 0.881 .364
NDIa CPR (medium-risk vs. low-risk)
CPR (high-risk vs. low-risk)
.462
.31
.155
.003
1.380
.290
0.167
0.002*
 
EQ5D3L post 8.267 2.038 33.530 0.003*  
OMPQ expectations .780 .645 .944 0.011* .496
Therapeutic relationship 1.345 1.118 1.617 0.002* .599
WAD-Evidence tool score 1.008 .990 1.026 0.380 .500
  1. Abbreviations: CI Confidence interval, CPR Clinical prediction rule, EQ5D3L Euro Quality of Life – 5 dimensions - 3 levels, OR Odds ratio, OMPQ expectations OMPQ expectations of recovery, SF-12 Short Form Health Survey 12; *statistically significant at p < 0.05