Table 3.
Actual prevalence, recall, specificity and precision of all four properties in the internal (n = 980) and multicenter validation set (n = 996)
| Property | Actual prevalence (%) (95% CI) | Recall (95% CI) | Specificity (95% CI) | Precision (95% CI) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Internal validation set | Multicenter validation set | Weighted mean (%) | Internal validation set | Multicenter validation set | Weighted mean (%) | Internal validation set | Multicenter validation set | Weighted mean (%) | Internal validation set | Multicenter validation set | Weighted mean (%) | |
| Lateralitya | 25.3 (22.6–28.2) | 29.2 (26.4–32.1) | 27.4 (24.7–30.1) | 100 (98.5–100) | 99.7 (98.1–100) | 99.9 (99.4–100) | 99.0 (98.1–99.6) | 97.2 (95.7–98.2) | 98.6 (97.9–99.2) | 97.3 (94.4–98.9) | 93.5 (90.2–96.0) | 96.1 (95.3–97.0) |
| Temporality | 16.9 (14.6–19.4) | 9.4 (7.7–11.4) | 12.4 (7.1–17.7) | 97.6 (93.9–99.3) | 96.8 (91.0–99.3) | 97.4 (95.3–99.4) | 99.5 (98.7–99.9) | 98.9 (98.0–99.5) | 99.3 (98.9–99.7) | 97.6 (93.9–99.3) | 90.1 (82.5–95.1) | 96.0 (95.2–96.9) |
| Uncertainty | 11.9 (10.0–14.1) | 10.2 (8.4–12.3) | 11.0 (9.8–12.2) | 99.1 (95.3–100) | 86.3 (78.0–92.3) | 98.1 (96.1–100) | 98.5 (97.4–99.2) | 98.8 (97.8–99.4) | 98.6 (98.1–99.2) | 89.9 (83.4–94.5) | 88.9 (81.0–94.3) | 89.4 (88.1–90.8) |
| Removal of uncertaintya | 0.9 (0.4–1.7) | 1.4 (0.8–2.3) | 1.2 (0.8–1.6) | 100 (66.4–100) | 57.1 (28.9–82.3) | 90.4 (78.5–100) | 99.4 (98.7–99.8) | 99.9 (99.4–100) | 99.8 (99.6–100) | 60.0 (32.3–83.7) | 88.9 (51.8–99.7) | 80.6 (78.9–82.2) |
The numbers are calculated using the reference standard
aRemoval of Uncertainty and Laterality both contained zeros in the confusion matrix