Table 4.
Univariate and Multivariable Cox Regression Analyses of Clinical Parameters
| Variables | Univariate | P | Multivariate | P |
|---|---|---|---|---|
| HR (95% CI) | HR (95% CI) | |||
| Male (n, %) | 0.753 (0.481, 0.108) | 0.216 | ||
| Age>70 (n, %) | 1.616 (0.875, 2.742) | 0.069 | 1.908 (1.054, 3.455) | 0.033 |
| Hypertension (n, %) | 1.230 (0.733, 2.065) | 0.433 | ||
| Diabetes mellitus (n, %) | 1.039 (0.328, 3.286) | 0.948 | ||
| CAD (n, %) | 1.592 (0.392, 6.470) | 0.516 | ||
| COPD (n, %) | 4.339 (1.371, 13.734) | 0.013 | 2.511 (0.748, 8.423) | 0.136 |
| ESRD (n, %) | 2.119 (0.777, 5.779) | 0.142 | ||
| Cerebral ischemia (n, %) | 0.918 (0.424, 1.986) | 0.827 | ||
| Limb ischaemia (n, %) | 2.177 (1.333, 3.556) | 0.002 | 1.882 (1.141, 3.102) | 0.013 |
| Bowel ischaemia (n, %) | 6.748 (2.942, 15.479) | <0.001 | 1.500 (0.683, 3.291) | 0.312 |
| CRRT (n, %) | 2.773 (1.719, 4.345) | <0.001 | 1.919 (1.169, 3.151) | 0.010 |
| Coronary artery involvement (n, %) | 1.815 (1.135, 2.901) | 0.013 | 1.127 (0.649, 1.954) | 0.672 |
| SII≥3324.5 (n, %) | 3.042 (1.970, 4.700) | <0.001 | 2.467 (1.573, 3.868) | <0.001 |
| CABG (n, %) | 2.663 (1.504, 4.717) | <0.001 | 1.127 (1.149, 1.954) | 0.050 |
| CPB time (min) | 1.001 (0.999, 1.003) | 0.046 | 1.059 (0.615, 1.824) | 0.595 |
| Crossclamp time(min) | 1.004 (1.000, 1.007) | 0.033 | 1.001 (0.997, 1.005) | 0.683 |
Abbreviations: CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; ESRD, end-stage renal disease; SII, systemic immune-inflammation index; CABG, coronary artery bypass graft; CRRT, continuous renal replacement therapy; CPB, cardiopulmonary bypass.