Derivation | Internal validation | External validation | |
---|---|---|---|
Sensitivity % (95% CI) | 83.3 (75.6–97.0) | 81.8 (65.7–97.9) | 81.8 (65.7–97.9) |
Specificity % (95% CI) | 76.2 (72.1–80.4) | 74.3 (65.7–82.8) | 64.8 (57.9–71.8) |
Positive predictive value % (95% CI) | 43.9 (36.4–51.3) | 40.9 (26.4–55.4) | 22.0 (13.0–30.9) |
Negative predictive value % (95% CI) | 93.4 (93.1–97.7) | 94.9 (90.1–99.8) | 96.7 (93.6–99.9) |
Accuracy % (95% CI) | 77.5 (73.9–81.2) | 75.6 (68.0–83.2) | 66.7 (60.2–73.1) |