Table 3.
Univariate and multivariate analysis of overall survival
| Risk factors | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| HR (95% CI) | P value | HR (95% CI) | P value | ||
| Age (very elderly/elderly) | 1.967 (1.561–2.478) | < 0.01** | 1.881 (1.490–2.375) | < 0.01** | |
| Sex (male/female) | 0.876 (0.717–1.071) | 0.197 | |||
| BMI (>/≤ 22.3) | 0.837 (0.687–1.020) | 0.078 | 0.890 (0.730–1.085) | 0.249 | |
| Hypertension (yes/no) | 0.890 (0.723–1.096) | 0.273 | |||
| T2DM (yes/no) | 1.048 (0.803–1.367) | 0.730 | |||
| Tumor location (colon/ rectum) | 1.262 (1.037–1.536) | 0.020* | 1.192 (0.977–1.453) | 0.083 | |
| Tumor stage (III/II/I) | 1.826 (1.571–2.123) | < 0.01** | 1.856 (1.595–2.160) | < 0.01** | |
| Smoking (yes/no) | 1.128 (0.923–1.378) | 0.241 | |||
| Drinking (yes/no) | 1.035 (0.835–1.284) | 0.752 | |||
| CHD (yes/no) | 1.065 (0.725–1.564) | 0.748 | |||
| Overall complications (yes/no) | 1.638 (1.340–2.002) | < 0.01** | 1.513 (1.224–1.871) | < 0.01** | |
| Major complications (yes/no) | 2.173 (1.460–3.235) | < 0.01** | 2.022 (1.325–3.084) | 0.001** | |
HR, Hazard ratio; CI, confidence interval; BMI, body mass index; T2DM, type 2 diabetes mellitus; CHD, coronary heart disease
* P-value < 0.05, ** P-value < 0.01