Table 3 Multivariable Cox regression analysis of recurrence-free survival
Hazard ratio | 95% Confidence interval | P | |
|---|---|---|---|
Adjuvant therapy | |||
Chemotherapy | Reference | ||
Chemoradiotherapy | 1.29 | 0.91–1.84 | 0.15 |
N factor | |||
N1 | Reference | ||
N2 | 1.22 | 0.94–1.59 | 0.14 |
T factor | |||
T0-1 | Reference | ||
T2 | 1.11 | 0.82–1.50 | 0.50 |
T3-4 | 1.09 | 0.77–1.56 | 0.63 |
Age (years) | |||
18–49 | Reference | ||
50–64 | 1.27 | 0.62–2.59 | 0.51 |
65–74 | 1.27 | 0.64–2.55 | 0.50 |
≥ 75 | 1.46 | 0.69–3.09 | 0.33 |
Sex | |||
Male | Reference | ||
Female | 0.77 | 0.54–1.10 | 0.15 |
Body mass index(kg/m2) | |||
< 18.5 | 1.42 | 0.87–2.31 | 0.16 |
18.5–24.9 | Reference | ||
≥ 25 | 1.30 | 0.96–1.75 | 0.09 |
Charlson comorbidity index | |||
0–2 | Reference | ||
≥ 3 | 1.81 | 1.39–2.35 | <0.001 |
Activity of daily life (Barthel index) | |||
Independent (100–95) | Reference | ||
Dependent (≤90) | 1.80 | 0.87–3.75 | 0.12 |