Table 3.
Multivariate Cox Regression Analyses for Overall Survival.
| Variables | Overall survival | |||
|---|---|---|---|---|
| HR (95% CI)* | AIC | p-Value | ||
| Preoperative GPS | 1679.1 | 0.34 | ||
| 0 | 1 | |||
| 1 | 1.19 (0.79-1.78) | |||
| 2 | 1.43 (0.87-2.33) | |||
| Preoperative NUn score (trichotomous) | 1673.0 | 0.016† | ||
| Low (≤5.60) | 1 | |||
| Intermediate (>5.60 to ≤7.12) | 1.37 (0.88-2.12) | |||
| High (>7.12) | 2.06 (1.24-3.41) | |||
| Preoperative NUn score (continuous) | 1674.1 | 0.022† | ||
| +1-unit | 1.15 (1.02-1.29) | |||
AIC: Akaike information criterion; ASA-PS: American Society of Anesthesiologists physical status; CI: confidence interval; GPS: Glasgow prognostic score; HR: hazard ratio; NUn: Noble and Underwood.
*Adjusted with age (≥70 years), gender, ASA-PS (3), tumor location, prior stoma creation, prior bridge-to-surgery intervention, emergency surgery, minimally invasive approach, adjuvant chemotherapy, tumor depth (T3-4), nodal status, lymphovascular involvement, and preoperative tumor marker positivity.
†p < 0.05.