Table 6.
Multivariate predictors of composite morbidity.
| Predictor | OR | 95%CI | P-value |
|---|---|---|---|
| Maori/Pacific Islander | 1.86 | 1.02–3.40 | 0.043 |
| Pre-operative intra-aortic balloon pump | 5.39 | 2.29–12.7 | <0.001 |
| Previous coronary artery bypass grafting | 7.12 | 1.13–44.7 | 0.037 |
| Ejection fraction (<40%) | 1.95 | 0.95–4.01 | 0.072 |
| EuroScore II(10) | 1.09 | 1.01–1.16 | 0.035 |
| Cardiopulmonary bypass time (per 10 minutes) | 1.16 | 1.06–1.27 | 0.002 |
| Post-operative hs-TnT (per 100ng/L) | 1.06 | 1.01–1.10 | 0.014 |
| hs-TnT >140ng/L | 0.91 | 0.36–2.32 | 0.846 |
| hs-TnT >500ng/L | 2.20 | 1.27–3.82 | 0.005 |
| ECG and/or echocardiographic criteria | 1.64 | 0.84–3.21 | 0.151 |
| hs-TnT >140ng/L + ECG and/or echocardiographic criteria | 1.75 | 0.89–3.46 | 0.098 |
| hs-TnT >500ng/L + ECG and/or echocardiographic criteria | 3.02 | 1.18–7.76 | 0.022 |
OR = odds ratio, 95%CI = 95% confidence interval, hs-TnT = high-sensitivity troponin.