|
Likelihood ratios for the diagnosis of ACS with clinical myocardial infarction at presentation |
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| Positive likelihood ratio (95% CI) |
Negative likelihood ratio (95% CI) |
|
|
|
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| Serial ECG & ST monitoring N = 690 |
7.1 (3.8 to 13.1) |
0.700 (0.543 to 0.901) |
| Initial CK-MB(mass) N = 687 |
20.8 (12.5 to 34.7) |
0.378 (0.236 to 0.605) |
| Delayed CK-MB(mass) N = 601 |
25.1 (16.5 to 38.2) |
0.045 (0.007 to 0.307) |
| Delta CK-MB(mass) N = 601 |
61.4 (39.1 to 118.1) |
0.044 (0.006 to 0.300) |
| Any positive CK-MB(mass) N = 601 |
~25* |
~0* |
| Troponin T > = 0.1 ng/ml N = 686 |
70.4 (34.1 to 140.8) |
0.169 (0.079 to 0.387) |
| Troponin T > = 0.03 ng/ml N = 686 |
23.5 (16.1 to 34.2) |
0.037 (0.005 to 0.255) |
|
*Unable to calculate precisely as no false negative were recorded | ||
Goodacre et al. BMC Emergency Medicine 2005 5:6 doi:10.1186/1471-227X-5-6 |
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