Risk threshold | PE/n | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | Positive LR (95% CI) | Negative LR (95% CI) | |
---|---|---|---|---|---|---|---|---|
≥threshold | <threshold | |||||||
2% | 196/5180 | 97/7215 | 67% (61–72%) | 59% (58–60%) | 4% (3–4%) | 99.0% (98.0–99.0%) | 1.62 (1.49–1.77) | 0.56 (0.48–0.66) |
3% | 138/1731 | 155/10664 | 47% (41–53%) | 87% (86–87%) | 8% (7–9%) | 99.0% (98.0–99.0%) | 3.58 (3.14–4.07) | 0.61 (0.55–0.68) |
4% | 105/1098 | 188/11297 | 36% (31–41%) | 92% (91–92%) | 10% (8–11%) | 98.0% (98.0–99.0%) | 4.37 (3.71–5.15) | 0.70 (0.64–0.76) |
5% | 92/776 | 201/11619 | 31% (26–37%) | 94% (94–95%) | 12% (10–14%) | 98.3% (98.0–98.5%) | 5.56 (4.62–6.68) | 0.73 (0.67–0.79) |
8% | 54/374 | 239/12021 | 18% (14–23%) | 97% (97–98%) | 14% (11–18%) | 98.0% (97.8–98.3%) | 6.97 (5.35–9.08) | 0.84 (0.79–0.89) |