Table 3 Measures of agreement between registry and radiologist with 95% confidence intervals (CIs), using low ligation as reference
| Measure | Point estimate | 95% CI |
|---|---|---|
| Percent agreement | 81.9% | 74.0–89.8% |
| Sensitivity | 86.2% | 75.3–93.5% |
| Specificity | 72.4% | 52.8–87.3% |
| Positive predictive value | 87.5% | 50.6–85.3% |
| Negative predictive value | 70.0% | 76.8–94.4% |
| Cohen’s Kappa | 0.58 | 0.40–0.76 |
| Prevalence-adjusted Kappa | 0.64 | 0.48–0.80 |