Classification of results from forward stepwise discriminant analysis
| *Predicted group membership | ||||
|---|---|---|---|---|
| Absent | Present | Total | ||
| *Patients with erythrocyte sedimentation rate, adnexal tenderness, and fever. | ||||
| Laparoscopically diagnosed PID | Absent | 85 | 44 | 129 |
| Present | 174 | 320 | 494 | |
| Total | 258 | 366 | 623 | |