Table 7.
Multivariate logistic regression analysis of prognostic predictors at baseline, at 1 week and at 1 month for improvement at 3 months
| Coefficient | OR | 95% CI | p-value | Sensitivity; Specificity; Percentage correctly predicted; Area under ROC (95% CI); Adjusted R2 | |
|---|---|---|---|---|---|
| Acute N = 146 |
|
|
|
|
|
| Baseline to 1 Month BQN total Change Score |
0.66 |
1.07 |
1.03 to 1.11 |
0.001 |
97.6%; 35.0%; 89%; 0.82 (0.72 to 0.92); 28.8% |
| PGIC @ 1 Week |
1.21 |
3.35 |
1.13 to 9.92 |
0.029 |
|
| ChronicN = 133 |
|
|
|
|
|
| PGIC @ 1 Month | 1.80 | 6.04 | 2.76 to 13.69 | 0.001 | 77.9%; 63.2%; 73.7%; 0.71 (0.62 to 0.79); 19.9% |
BQ = Bournemouth Questionnaire. PGIC = Patient global impression of change. N = number of observations.