Group 1 | Group 2 | ||||||
---|---|---|---|---|---|---|---|
Q wave MI | Control | Q wave MI | Control | ||||
Sensitivity | 89% (34/38) | 84% (21/25) | 52% (23/44) | 52% (13/25) | |||
Specificity | 71% (39/55) | 64% (18/28) | 74% (43/58) | 74% (17/23) | |||
Accuracy | 78% (73/93) | 73% (39/53) | 65% (66/102) | 63% (30/48) | |||
PPV | 68% (34/50) | 68% (21/31) | 61% (23/38) | 68% (13/19) | |||
NPV | 90% (39/43) | 82% (18/22) | 67% (43/64) | 59% (17/29) |
Group 1, non-occluded left anterior descending coronary artery; group 2, occluded left anterior descending coronary artery; MI, myocardial infarction; NPV, negative predictive value; PPV, positive predictive value.