Algorithm based on multivariate model applied to study population—sensitivity, specificity and PPV
| Number of specific clinical features | Sensitivity | Specificity | PPV | Number of inpatients during study period with specific clinical conditions (%) |
|---|---|---|---|---|
| None | – | – | – | 1231 (23) |
| At least 1 | 96.3 | 25.0 | 14.0 | 2195 (41) |
| At least 2 | 67.3 | 67.1 | 20.7 | 1445 (27) |
| At least 3 | 29.1 | 92.6 | 33.3 | 482 (9) |
| At least 4 | – | – | – | 53 (1) |
PPV, Positive predictive value.