Table 4.
Factors associated with 30-day postoperative complications in logistic regression analysis (n=204)
| Variables | Univariable
|
Multivariable
|
||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Age (years) | ||||
| ≥90 vs <90 | 4.44 (1.81–10.86) | 0.001 | 4.95 (1.69–14.47) | 0.004 |
| Sex | ||||
| Male | 1.17 (0.63–2.17) | 0.627 | NA | |
| ASA score | ||||
| ≥3 | 4.43 (2.24–8.75) | <0.001 | 4.19 (1.8–9.74) | 0.001 |
| BMI (kg/m2) | ||||
| ≥30 | 1.2 (0.3–4.82) | 0.796 | NA | |
| Tumor location | ||||
| Rectum | 1.01 (0.54–1.89) | 0.970 | 2.22 (0.97–5.04) | 0.058 |
| Laparoscopy | ||||
| (+) | 0.49 (0.26–0.93) | 0.028 | 0.77 (0.35–1.7) | 0.518 |
| Combined surgery | ||||
| (+) | 3.01 (1.38–6.57) | 0.006 | 3.1 (1.13–8.46) | 0.028 |
| Operative time (minutes) | ||||
| ≥300 | 1.3 (0.38–4.44) | 0.672 | NA | |
| Blood loss (mL) | ||||
| ≥150 | 1.22 (0.52–2.86) | 0.653 | NA | |
| Hemoglobin (g/dL)a | ||||
| ≥10 vs <10 | 6.21 (2.94–13.13) | <0.001 | 7.56 (3.07–18.63) | <0.001 |
| Albumin (g/dL)a | ||||
| ≥3.4 vs <3.4 | 4.5 (2.07–9.79) | <0.001 | 3.72 (1.43–9.69) | 0.007 |
Note:
a
Values at the time of initial diagnosis.
Abbreviations: HR, hazard ratio; CI, confidence interval; NA, not applied; ASA, American Society of Anesthesiologists; BMI, body mass index.