From: Which diagnostic tests are most useful in a chest pain unit protocol?
Test | Event rate: positive test | Event rate: negative test | Relative risk |
---|---|---|---|
Serial ECG & ST monitoring N = 690 | 1/41 | 15/649 | 1.06 (0.14 to 7.79) |
Initial CK-MB(mass) N = 687 | 0/39 | 16/648 | - |
Delayed CK-MB(mass) N = 601 | 1/44 | 13/557 | 0.97 (0.13 to 7.28) |
Delta CK-MB(mass) N = 601 | 0/31 | 14/570 | - |
Any positive CK-MB(mass) N = 601 | 1/59 | 15/628 | 0.71 (0.09 to 5.28) |
Troponin T > = 0.1 ng/ml N = 686 | 1/33 | 15/673 | 1.36 (0.18 to 9.98) |
Troponin T > = 0.03 ng/ml N = 686 | 2/54 | 14/632 | 1.67 (0.39 to 7.17) |
Exercise treadmill test N = 422 | 2/37 | 3/385 | 6.63 (1.14 to 38.50) |