Table 1.
Sensitivity, specificity, and positive and negative predictive values of 10 iterations considering both options: training/test with and without error permitted.
| OPTION 1: Triplets without Error (n = 811; 121 Used for External Validation) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | AVG | |
| SENS | 66.0% | 77.5% | 70.4% | 74.1% | 69.6% | 75.6% | 66.0% | 60.0% | 82.6% | 66.0% | 70.8% |
| SPEC | 84.5% | 76.5% | 80.6% | 73.0% | 85.3% | 73.7% | 83.1% | 84.5% | 80.0% | 84.5% | 80.6% |
| PPV | 75.0% | 62.0% | 74.5% | 71.7% | 74.4% | 63.0% | 73.3% | 73.2% | 71.7% | 75.0% | 71.4% |
| NPV | 77.9% | 87.3% | 77.1% | 75.4% | 82.1% | 83.6% | 77.6% | 75.0% | 88.2% | 77.9% | 80.2% |
| OPTION 2: Triplets with 1 Error Allowed (n = 1236, 169 Used for External Validation) | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | AVG | |
| SENS | 70.1% | 69.6% | 70.6% | 66.7% | 68.1% | 75.0% | 77.3% | 71.6% | 77.8% | 73.4% | 72.0% |
| SPEC | 82.9% | 83.3% | 82.1% | 84.9% | 83.5% | 75.2% | 72.8% | 74.7% | 67.9% | 72.2% | 78.0% |
| PPV | 81.3% | 78.6% | 80.0% | 72.4% | 75.4% | 67.1% | 64.6% | 68.8% | 59.0% | 69.9% | 71.7% |
| NPV | 72.3% | 75.8% | 73.4% | 81.1% | 77.9% | 81.7% | 83.3% | 77.2% | 83.7% | 75.6% | 78.2% |
SENS = sensitivity, SPEC = specificity, PPV = positive predictive value, NPV = negative predictive value, AVG = mean.