Table 4.
Multivariate predictors of troponin rise and criteria for myocardial infarction.
| Predictors | OR | 95%CI | P-value |
|---|---|---|---|
| hs-TnT >140ng/L (n=505) | |||
| Peripheral vascular disease | 11.5 | 0.74–179 | 0.082 |
| Estimated glomerular filtration rate (per 10ml/min decrease) | 1.15 | 1.04–1.27 | 0.024 |
| Off-pump | 0.10 | 0.04–0.32 | <0.001 |
| hs-TnT >500ng/L (n=155) | |||
| Body mass index (per 1 kg/m2) | 0.96 | 0.92–1.00 | 0.075 |
| Dialysis | 8.78 | 1.79–43.1 | 0.008 |
| Previous coronary artery bypass grafting | 4.37 | 1.02–18.6 | 0.047 |
| Three-vessel disease | 1.75 | 0.97–3.15 | 0.063 |
| Cardiopulmonary bypass time (per 10 minutes) | 1.08 | 1.00–1.17 | 0.038 |
| ECG and/or echocardiographic criteria (n=86) | |||
| None | |||
| hs-TnT >140ng/L + ECG and/or echocardiographic criteria (n=78) | |||
| Canadian Cardiovascular Society Class IV angina | 1.94 | 1.13–3.33 | 0.017 |
| Cardiopulmonary bypass time (per 10 minutes) | 1.09 | 1.00–1.18 | 0.048 |
| hs-TnT >500ng/L + ECG and/or echocardiographic criteria (n=30) | |||
| Diabetes on insulin | 2.46 | 0.91–6.71 | 0.078 |
| Dialysis | 4.58 | 1.14–18.4 | 0.032 |
| EuroScore II(10) | 1.11 | 1.00–1.22 | 0.061 |
| Cardiopulmonary bypass time (per 10 minutes) | 1.17 | 1.05–1.31 | 0.006 |
OR = odds ratio, 95% CI = 95% confidence interval, hs-TnT high sensitivity troponin T.