Variables | Training set | Internal validation set | External validation set |
---|---|---|---|
AUC (95%CI) | 0.937 (0.917–0.957) | 0.934 (0.902–0.966) | 0.941 (0.891–0.991) |
Sensitivity (95%CI) | 89.0% (84.8–92.3%) | 88.7% (81.8–93.7%) | 93.6% (84.3–98.2%) |
Specificity (95%CI) | 89.5% (85.8–92.4%) | 90.3% (84.0–94.7%) | 87.5% (74.8–95.3%) |
PLR (95%CI) | 8.5 (6.2–11.4) | 9.1 (5.4–15.4) | 7.5 (3.5–15.9) |
NLR (95%CI) | 0.12 (0.09–0.21) | 0.13 (0.08–0.18) | 0.07 (0.03–0.20) |
PPV (95%CI) | 87.2% (83.4–90.2%) | 89.4% (83.4–93.4%) | 90.6% (82.0–95.3%) |
NPV (95%CI) | 91.0% (87.9–93.3%) | 89.6% (84.0–93.4%) | 91.3% (80.2–96.5%) |