Table 2 Diagnostic test characteristics for algorithm derived HP diagnoses
Algorithm derived diagnostic confidence | ||
|---|---|---|
≥ 90% | ≥ 70% | |
Sensitivity (95% CI) | 0.35 (0.19–0.55) | 0.74 (0.55–0.88) |
Specificity (95% CI) | 0.94 (0.83–0.99) | 0.90 (0.78–0.97) |
J-index (95% CI) | 0.29 (0.03–0.53) | 0.64 (0.34–0.85) |
PPV (95% CI) | 0.79 (0.49–0.95) | 0.82 (0.63–0.94) |
NPV (95% CI) | 0.70 (0.58–0.81) | 0.85 (0.72–0.93) |
Diagnostic accuracy | 0.71 (0.60–0.81) | 0.84 (0.74–0.91) |