Performance of the original and updated New Zealand tables and the European tables
|
New Zealand table: 5 year CVD risk > 20% |
New Zealand table: 5 year CVD risk > 10% | Updated New Zealand table: 5 year CVD risk > 20% | Updated New Zealand table: 5 year CVD risk > 10% | European table: 10 year CHD risk > 20% | |
| True positives | 35 | 172 | 64 | 233 | 135 |
| False positives | 2 | 21 | 47 | 87 | 72 |
| True negatives | 604 | 390 | 559 | 324 | 439 |
| False negatives | 50 | 108 | 21 | 47 | 45 |
| Sensitivity (%) (95% CI) | 41.2 (28.7 to 57.3) | 61.4 (52.8 to 68.4) | 75.3 (62.2 to 84.7) | 83.2 (77.6 to 87.7) | 75.0 (66.5 to 81.8) |
| Specificity (%) (95% CI) | 99.7 (98.8 to 100) | 94.9 (92.2 to 96.8) | 92.2 (89.7 to 94.3) | 78.8 (73.9 to 84.8) | 85.9 (82.3 to 89.0) |
| Positive predictive value (%) (95% CI) | 94.6 (80.5 to 99.3) | 89.1 (83.4 to 93.3) | 57.7 (43.7 to 76.5) | 72.8 (66.4 to 78.2) | 65.2 (56.2 to 72.8) |
| Negative predictive value (%) (95% CI) | 92.4 (89.9 to 94.3) | 78.3 (73.8 to 82.2) | 96.4 (94.5 to 97.7) | 87.3 (83.1 to 90.7) | 90.7 (87.6 to 93.2) |