Table 3 Risk stratification and predictive values of a RAMA-AS prediction score
Score | Risk groups | Score development for derivative phase | ||||||
|---|---|---|---|---|---|---|---|---|
Outcome | % sensitivity (95% CI) | % specificity (95% CI) | LR+ (95% CI) | LR- (95% CI) | Post-positive test odds (%) | |||
AP | Non-AP | |||||||
<− 0.64 | Very low | 25 | 85 | 100.00 | 0 | 1.00 | 0 | 61.80 |
− 0.64 to 0.84 | Low risk | 61 | 51 | 89.75 (85.25–93.26) | 54.97 (46.67–63.06) | 1.98 (1.65–2.37) | 0.19 (0.13–0.28) | 76.00 (73.00–79.00) |
0.85 to 1.74 | Moderate | 64 | 12 | 64.08 (57.73–70.09) | 88.08 (81.82–92.78) | 5.25 (3.39–8.13) | 0.41 (0.34–0.49) | 89.00 (85.00–93.00) |
> 1.74 | High | 91 | 7 | 37.96 (31.86–44.36) | 95.36 (90.68–98.12) | 8.36 (3.96–18.00) | 0.65 (0.59–0.72) | 93.00 (86.00–97.00) |