Table 3 Diagnostic performances of the initial and final tool stratified according to the type of act (ICA only, ICA followed by PCI or PCI only)
Performances | First version | Final version | |||
|---|---|---|---|---|---|
Total (n = 292) | Total (n = 284) | ICA only (n = 176) | ICA followed by a PCI (n = 43) | PCI only (n = 108) | |
% (95% CI) | % (95% CI) | ||||
Sensitivity | 57.1 (44.9–69.3) | 63.5 (51.7–75.3) | 76.0 (64.2–87.8) | 100.0 (69.2–100.0) | 0.0 (0–30.9) |
Specificity | 77.3 (71.9–82.7) | 76.0 (70.4–81.6) | 73.8 (66.1–81.5) | 57.5 (42.2–72.8) | 87.3 (78.5–96.1) |
PPV | 40.9 (30.6–51.2) | 43.0 (33.0–53.0) | 53.5 (41.9–65.1) | 46.5 (24.6–68.4) | 0.0 (0–41.0) |
NPV | 86.8 (82.2–91.4) | 88.0 (83.4–92.6) | 88.6 (82.4–94.8) | 53.5 (40.5–66.5) | 82.3 (72.5–92.1) |