Table 4 Comparison of diagnostic performance
1. MV alone | 2. MS alone | 3. MV and MS | P (1 vs. 2) | P (1 vs. 3) | P (2 vs. 3) | |
|---|---|---|---|---|---|---|
Accuracy, % (95% CI) | 76.4 (70.3–81.6) | 73.6 (67.3–79.1) | 82.1 (76.4–86.7) | 0.027 | < 0.001 | < 0.001 |
Sensitivity, % (95% CI) | 63.2 (53.7–71.8) | 52.8 (43.4–62.1) | 69.8 (60.5–77.8) | 0.028 | 0.008 | < 0.001 |
Specificity, % (95% CI) | 89.6 (82.4–94.1) | 94.3 (88.2–97.4) | 94.3 (88.2–97.4) | 0.025 | 0.025 | > 0.99 |
PPV, % (95% CI) | 91.8 (83.2–96.2) | 90.2 (80.2–95.4) | 92.4 (84.4–96.5) | 0.770 | > 0.99 | 0.763 |
NPV, % (95% CI) | 71.9 (64.0–78.7) | 66.2 (58.4–73.3) | 75.2 (67.2–81.8) | 0.312 | 0.584 | 0.118 |