Table 5 Proportions of cases correctly predicted (sensitivity and specificity) for various classification cut-offs
| Frequent contact with general practice | Use of general practice out-of-office service | Unplanned hospitalisation | Poor health related quality of life | |||||
|---|---|---|---|---|---|---|---|---|
| Final model | Chi2(3) = 21.512 (P < .001) | Chi2(3) = 16.037 (P = .001) | Chi2(1) = 9.654 (P = .002) | Chi2(7) = 137.288 (P < .001) | ||||
| N | 552 | 577 | 580 | 541 | ||||
| AUC | .626 | .612 | .609 | .837 | ||||
| Classification cut-off: | Sens.a | Spec.b | ||||||
| .10 | 90.8 | 57.2 | ||||||
| .15 | 81.7 | 67.6 | ||||||
| .16 | 80.7 | 68.1 | ||||||
| .17 | 79.8 | 69.7 | ||||||
| .20 | 74.3 | 75.2 | ||||||
| .25 | 67.9 | 82.2 | ||||||
| .50 | 43.1 | 94.0 | ||||||