Table 2.
Univariate and multivariate Cox regression analysis for overall survival
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95%CI) | P | HR (95%CI) | P | |
| Myoglobin (mg/L, < 42.1 vs. ≥ 42.1) | 0.460 (0.259–0.917) | 0.008 | 0.964 (0.433–2.146) | 0.928 |
| Age(years, < 52 vs. ≥ 52) | 0.546 (0.318–0.936) | 0.028 | 0.336 (0.179–0.628) | < 0.001 |
| Smoking(no vs. yes ) | 1.643 (0.963–2.801) | 0.068 | 1.436 (0.759–2.717) | 0.265 |
| ICU hospital stay(days, < 3 vs. ≥ 3) | 21.627 (11.243–41.604) | < 0.001 | 7.449 (2.793–19.867) | < 0.001 |
| Postoperative hospital stay (days, < 13 vs. ≥ 13) | 7.660 (4.314–13.599) | < 0.001 | 14.407 (6.274–33.083) | < 0.001 |
| Back pain(no vs. yes) | 0.998 (0.582–1.712) | 0.995 | 0.471 (0.248–0.893) | 0.021 |
| Abdominal pain(no vs. yes) | 0.378 (0.190–0.752) | 0.006 | 0.369 (0.157–0.866) | 0.022 |
| Shock(no vs. yes) | 0.380 (0.172–0.841) | 0.017 | 0.386 (0.126–1.179) | 0.095 |
| CPRI (< 966 vs. ≥ 966) | 2.617 (1.422–4.815) | 0.002 | 2.325 (1.126–4.802) | 0.023 |
| Creatinine(mg/dL,<138 vs. ≥ 138) | 0.287 (0.159–0.518) | < 0.001 | 0.280 (0.118–0.662) | 0.004 |
| D-dimer(µg/mL,<17 vs. ≥ 17) | 0.441 (0.227–0.856) | 0.016 | 1.148 (0.458–2.878) | 0.768 |
| Fibrinogen(g/L,<3.2 vs. ≥ 3.2) | 2.162 (1.056–4.423) | 0.035 | 3.334 (1.499–7.414) | 0.003 |
| Heart rate(b.p.m., < 77 vs. ≥ 77) | 0.469 (0.236–0.931) | 0.031 | 0.440 (0.197–0.980) | 0.045 |
| ST-segment deviation on ECG (no vs. yes) | 1.150 (0.640–2.067) | 0.641 | 2.133 (1.011−4.500) | 0.047 |
Abbreviations: CPRI comprehensive physiological response indicator