Table 3.
Risk factors for elevated hs-TnT
| No PMI | PMI | P † = | |
|---|---|---|---|
| Age > 70 | 17 (26%) | 12 (63%) | 0.005** |
| Male | 35 (55%) | 14 (74%) | 0.187 |
| BMI > 30 | 13 (23%) | 5 (29%) | 0.749 |
| Cardiac RFs | |||
| 0 | 3 (5%) | 0 | 1.000 |
| 1 | 35 (54%) | 12 (63%) | 0.423 |
| 2 | 17 (26%) | 2 (10%) | 0.339 |
| 3 | 7 (11%) | 1 (5%) | 1.000 |
| > 3 | 3 (5%) | 4 (21%) | 0.035* |
| Pre-operative test | |||
| Abnormal ECG | 8 (13%) | 6 (32%) | 0.049* |
| Creatinine (> 120 μmol/L) | 25 (39%) | 3 (16%) | 0.156 |
| Operative events | |||
| HR ×2 normal | 4 (7%) | 2 (12%) | 0.616 |
| MAP ×0.5 normal | 8 (13.8%) | 3 (16%) | 1 |
| Lactate > 1.5 | 14 (24%) | 1 (5%) | 0.098 |
| Surgery > 4 h | 32 (55%) | 12 (63%) | 0.602 |
| Sympathomimetic use | 43 (74%) | 16 (84%) | 0.535 |
| Post-operative events | |||
| Average length of stay (days) | 8 | 8 | 1 |
| Dead at 30 days | 0 | 0 | – |
| Dead at 1 year | 0 | 2 (12%) | 0.044* |
†P values calculated with Fisher exact or Mann-Whitney U test