Table 2 Observed value of CHD and predicted value by the JJ risk engine: all patients
n | Observed (individuals) (%; 95% CI) | Predicted (individuals) | O/P ratio | Discrimination; C-statistic (95% CI) | Calibration | Sensitivity | Specificity | |
|---|---|---|---|---|---|---|---|---|
All patients | 484 | 15 (3.1; 1.7–5.1) | 6.99 | 2.14 | 0.588(0.453–0.724) | p < 0.05 | 0.733 | 0.495 |