| General physicians | Radiologists | Overall | Ratio | 95% Confidence Interval |  | ||||
---|---|---|---|---|---|---|---|---|---|---|
 | Non-CAD | CAD | Non-CAD | CAD | Non-CAD | CAD | (CAD/Non-CAD) | Lower | Upper | P value |
Sensitivity | 0.47 | 0.60 | 0.51 | 0.60 | 0.49 | 0.60 | 1.22 | 1.14 | 1.30 | < 0.001 |
Specificity | 0.96 | 0.97 | 0.96 | 0.96 | 0.96 | 0.97 | 1.00 | 1.00 | 1.01 | 0.221 |
Accuracy | 0.87 | 0.90 | 0.87 | 0.90 | 0.87 | 0.90 | 1.03 | 1.02 | 1.04 | < 0.001 |
Positive Predictive Value | 0.75 | 0.82 | 0.76 | 0.80 | 0.75 | 0.81 | 1.07 | 1.03 | 1.11 | 0.002 |
Negative Predictive Value | 0.89 | 0.91 | 0.89 | 0.91 | 0.89 | 0.91 | 1.02 | 1.01 | 1.03 | < 0.001 |