Time | ST fall | Cardiac mortality (n) | Cardiac mortality (%) | Sensitivity | Specificity | PPV | NPV |
---|---|---|---|---|---|---|---|
36 day cardiac mortality | |||||||
60 min | ⩾ 50% | 1/77 | 1.33-150 | 95.2 | 45.8 | 18.2 | 98.7 |
< 50% | 20/110 | 18.2 | |||||
90 min | ⩾ 50% | 4/88 | 4.53-150 | 80.0 | 51.2 | 16.7 | 95.5 |
< 50% | 16/96 | 16.7 | |||||
180 min | ⩾ 50% | 3/109 | 2.83-150 | 83.3 | 65.0 | 20.8 | 97.2 |
< 50% | 15/72 | 20.8 | |||||
Proportion with left ventricular ejection fraction < 0.40 | |||||||
Time | ST fall | LVEF < 0.40 (n) | LVEF <0.40(%) | Sensitivity | Specificity | PPV | NPV |
60 min | ⩾ 50% | 16/72 | 31.73-150 | 75.0 | 59.6 | 55.8 | 77.8 |
< 50% | 48/86 | 55.8 | |||||
90 min | ⩾ 50% | 21/80 | 26.33-150 | 66.7 | 63.4 | 55.3 | 73.8 |
< 50% | 42/76 | 55.3 | |||||
180 min | ⩾ 50% | 35/102 | 34.3** | 45.3 | 73.6 | 54.7 | 65.7 |
< 50% | 29/53 | 54.7 |
↵3-150 p < 0.001; **p < 0.01.
PPV, positive predictive value; NPV, negative predictive value.