Table 2

Sensitivity, specificity, positive and negative predictive values for all patients (0–168 h) (95% confidence intervals given in parentheses)

TestSensitivity (%)Specificity (%)Positive predictive value (%)Negative predictive value (%)
*Using the standard formula for confidence interval analysis it was not possible to calculate the limits for such high percentages.
ECG70 (57, 83)99*97*84 (77, 92)
Troponin T40 (26, 54)90 (84, 97)71 (55, 88)71 (62, 80)
Myoglobin44 (30, 58)86 (79, 94)67 (51, 83)71 (62, 80)
Total CK40 (26, 54)86 (79, 94)65 (48, 81)70 (61, 79)
CKMB activity33 (20, 47)90 (84, 97)67 (48, 86)70 (61, 78)
CKMB mass52 (38, 67)88 (81, 95)74 (59, 88)76 (67, 85)