Table 4 Score evaluation for derivation and validation groups
From: A predictive scoring instrument for tuberculosis lost to follow-up outcome
Derivation groupa | Validation groupa | |||||||
|---|---|---|---|---|---|---|---|---|
Predictive score | Sensitivity | Specificity | PPVb | NPVc | Sensitivity | Specitifity | PPV | NPV |
≥ 0 | 100.00 | 0.00 | 6.5 | …. | 100.00 | 0.00 | 6.5 | …. |
≥ 1 | 83.70 | 54.65 | 11.3 | 98.0 | 93.20 | 16.69 | 7.2 | 97.3 |
≥ 2 | 46.74 | 80.71 | 14.3 | 95.6 | 65.05 | 67.36 | 12,1 | 96.5 |
≥ 3 | 34.78 | 90.54 | 20.3 | 95.3 | 26.21 | 89.84 | 15.2 | 94.6 |
≥ 4 | 13.04 | 97.30 | 25.0 | 94.2 | 11.65 | 95.76 | 16.0 | 94.0 |
≥ 5 | 7.61 | 98.80 | 30.4 | 93.9 | 4.85 | 98.99 | 25.0 | 93.8 |