Ā | Training set | Validation set | |||||
---|---|---|---|---|---|---|---|
Ā | Observed (N) | Observed (N) | |||||
Ā | Metastasis positive | Metastasis free | Total | Metastasis positive | Metastasis free | Total | |
Expected (N) | Metastasis positive | 28 | 13 | 41 | 14 | 2 | 16 |
Ā | Metastasis free | 6 | 44 | 50 | 4 | 14 | 18 |
Ā | Total | 34 | 57 | 91 | 18 | 16 | 34 |
Accuracy % (95% CI) | 79.1 (0.69 to 0.86) | 82.4 (0.63 to 0.92) | |||||
Sensitivity % (95% CI) | 82.4 (0.69 to 0.92) | 77.8 (0.60 to 0.87) | |||||
Specificity % (95% CI) | 77.2 (0.69 to 0.83) | 87.5 (0.67 to 0.98) | |||||
PPV % (95% CI) | 68.3 (0.57 to 0.76) | 87.5 (0.67 to 0.98) | |||||
NPV % (95% CI) | 88.0 (0.79 to 0.95) | 77.8 (0.60 to 0.87) | |||||
PLR (95% CI) | 3.61 (2.21 to 5.36) | 6.22 (1.83 to 35.63) | |||||
NLR (95% CI) | 0.23 (0.10 to 0.456) | 0.25 (0.14 to 0.60) | |||||
DOR (95% CI) | 15.80 (4.84 to 54.44) | 24.5 (3.07 to 261.90) |