Prediction score | No (%) of patients | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Patients correctlyclassified (%) |
---|---|---|---|---|---|---|
PPV, positive predictive value; NPV, negative predictive value. | ||||||
—, data not applicable. | ||||||
⩾0 | 895 (100) | 100 | — | 19.8 | — | 19.8 |
⩾1 | 709 (79.2) | 100 | 25.9 | 25.0 | 100 | 40.6 |
⩾2 | 501 (56.0) | 97.2 | 54.2 | 34.3 | 98.7 | 62.7 |
⩾3 | 337 (37.7) | 90.4 | 75.3 | 47.5 | 97.0 | 78.3 |
⩾4 | 238 (26.6) | 83.1 | 87.3 | 61.8 | 95.4 | 86.5 |
⩾5 | 171 (19.1) | 74.0 | 94.4 | 76.6 | 93.6 | 90.4 |
⩾6 | 111 (12.4) | 56.5 | 98.5 | 90.1 | 90.2 | 90.2 |
⩾7 | 77 (8.6) | 41.2 | 99.4 | 94.8 | 87.3 | 87.9 |
⩾8 | 28 (3.1) | 15.3 | 99.9 | 96.4 | 82.7 | 83.1 |
⩾9 | 7 (0.8) | 4.0 | 100 | 100 | 80.9 | 81.0 |
⩾10 | 0 (0) | — | 100 | — | 80.2 | 80.2 |