Table 4 Diagnostic performances after robustness analysis
Type of robustness analysis | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
Estimate, % (95% CI) | Estimate, % (95% CI) | Estimate, % (95% CI) | Estimate, % (95% CI) | |
Addition of 5 points to the Syntax score | 66.7 (55.1–78.3) | 72.0 (66.1–77.9) | 40.4 (31–49.8) | 71.9 (65.3–78.5) |
Subtraction of 5 points to the Syntax score | 65.1 (53.3–76.9) | 75.6 (69.9–81.3) | 43.2 (33.2–53.2) | 88.4 (83.8–93.0) |
Addition of the 8 files, considering them all inappropriate | 66.2 (55.2–77.2) | 74.2 (68.4–80.0) | 45.2 (35.6–54.8) | 87.2 (82.4–92.0) |
Addition of the 8 files, considering them all appropriate | 65.1 (53.3–76.9) | 72.5 (66.7–80.3) | 39.4 (30.1–48.7) | 88.3 (83.7–92.9) |