Table 4 Multivariate logistic regression analysis of prognostic predictors at baseline for improvement at 4/5th visit
Coefficient | OR | 95% CI | p-value | Sensitivity; Specificity; Percentage correctly predicted; Area under ROC (95% CI); Adjusted R2 | |
|---|---|---|---|---|---|
Acute N = 1,335 | |||||
Gender (male) | 0.26 | 1.30 | 1.01 to 1.68 | 0.044 | 97.2%; 9.6%; 70.8%; 0.64 (0.61 to 0.68); 7.4% |
High area marked on pain drawing | 0.27 | 0.76 | 0.59 to 0.99 | 0.040 | |
Expect to recover | 0.34 | 1.40 | 1.04 to 1.89 | 0.025 | |
In paid employment | 0.34 | 1.40 | 1.00 to 1.95 | 0.050 | |
BQ (ADL disability) | 0.085 | 1.09 | 1.02 to 1.16 | 0.012 | |
BQ (Social disability) | 0.072 | 1.08 | 1.01 to 1.14 | 0.016 | |
Persistent N = 1,059 | |||||
Neck pain | 0.29 | 1.34 | 1.04 to 1.73 | 0.022 | 37.0%; 74.1%; 57.7%; 0.60 (0.56 to 0.63); 3.9% |
Expect to recover | 0.42 | 1.53 | 1.19 to 1.96 | 0.001 | |
In good health | 0.51 | 1.67 | 1.19 to 2.35 | 0.003 | |
Alcohol | 0.29 | 0.75 | 0.57 to 0.98 | 0.034 |