Table 2.
Agreement between National Reference Set for cardiovascular disease, and cardiovascular disease case definitions (N = 2017)
| Case definition | Sensitivity, %(95% CI) | Specificity, %(95% CI) | Positive predictive value, % (95% CI) | Negative predictive value, % (95% CI) | Accuracy, %(95% CI) |
|---|---|---|---|---|---|
| Case Definition 1 | 68.47 (61.6–74.8) | 97.79 (97.01–98.42) | 77.65 (71.61–82.72) | 96.52 (95.77–97.14) | 94.84 (93.79–95.77) |
| Case Definition 2 | 76.85 (70.43–82.46) | 97.19 (96.32–97.9) | 75.36 (69.79–80.2) | 97.4 (96.69–97.97) | 95.14 (94.11–96.04) |
| Case Definition 3 | 94.58 (90.51–97.26) | 60.09 (57.79–62.35) | 20.96 (19.9–22.06) | 99.0 (98.24–99.44) | 63.56 (61.42–65.66) |
| Case Definition 4 | 59.11 (52.01–65.94) | 78.17 (76.2–80.05) | 23.26 (20.79–25.92) | 94.47 (93.53–95.28) | 76.25 (74.33–78.09) |