Table 4.
The Result of the Testing of Scoring Systems Sensitivity, Specificity, PPV, NNS, and NPVa
| Scoring system | Cutoff | Sensitivity (%) | Specificity (%) | PPV (%) | NNS (%) | NPV (%) |
|---|---|---|---|---|---|---|
| NOVA | 4 | 100 | 15.5 | 6.6 | 15 | 100 |
| DENOVA | 3 | 90.6 | 90.5 | 36 | 2.8 | 99 |
| DENOVA | 2 | 100 | 60.8 | 13 | 7.6 | 100 |
| HANDOC | 3 | 96.9 | 84.9 | 28 | 3.6 | 100 |
Abbreviations: NNS, numbers needed to screen; NPV, negative predictive value; PPV, positive predicted value.
aThe cutoff values set in DENOVA, HANDOC, and NOVA reports were used, with addition of the cutoff of 2 for DENOVA.