Analyses assessing the association between troponin and in-hospital mortality
| Unadjusted HR (95% CI) | Multivariable analysis HR (95% CI) | P value | |
| Time-dependent survival analysis | |||
| Troponin levels (per 1 ng/mL increase) | 1.01 (1.01 to 1.01) | 1.01 (1.01 to 1.02) | <0.001 |
| Redo surgery | 2.95 (2.29 to 3.80) | 2.83 (1.35 to 5.94) | <0.001 |
| Preoperative critical state | 21.20 (13.77 to 32.64) | 12.19 (5.91 to 25.14) | <0.001 |
| Creatininemia (per 1 µmol/L increase) | 1.03 (1.03 to 1.04) | 1.02 (1.01 to 1.03) | <0.001 |
| Survival analysis (peak troponin and creatinine at baseline) | |||
| Peak troponin (per 1 ng/mL increase) | 1.01 (1.01 to 1.01) | 1.01 (1.00 to 1.01) | <0.001 |
| Redo surgery | 3.25 (1.90 to 5.57) | 2.75 (1.05 to 7.24) | <0.001 |
| Preoperative critical state | 7.12 (4.11 to 12.36) | 9.69 (4.14 to 22.67) | <0.001 |
| Creatinine at baseline (per 1 µmol/L increase) | 1.00 (1.00 to 1.01) | 1.00 (1.00 to 1.01) | <0.001 |
| 100 times upper normal troponin value (troponin10N) threshold survival analysis | |||
| Above troponin100N threshold | 1.65 (1.48 to 1.84) | 2.31 (2.01 to 2.66) | <0.001 |
| Redo surgery | 2.95 (2.29 to 3.80) | 2.91 (2.45 to 3.45) | <0.001 |
| Preoperative critical state | 21.20 (13.77 to 32.64) | 11.19 (9.42 to 13.30) | <0.001 |
| Creatininemia (per 1 µmol/L increase) | 1.03 (1.03 to 1.04) | 1.02 (1.02 to 1.03) | <0.001 |