Table 2 Sensitivity, specificity, positive likelihood ratio, posttest probability, and odds ratios of individual predictor variables
Sensitivity, % (95% CI) | Specificity, % (95% CI) | Positive likelihood ratio (95% CI) | Posttest probability % | Odds ratio (95% CI) | |
|---|---|---|---|---|---|
Time since last sprain > 8 months a | 72.73(39.0, 94.0) | 65.00(48.3, 79.4) | 2.08(1.2, 3.6) | 88.03 | 4.95(1.13, 21.70) |
Age > 36 y | 72.73(39.0, 94.0) | 80.0(64.4, 90.9) | 3.64(1.8, 7.5) | 92.96 | 7.03(1.57, 31.43) |