Table 5.
Variable | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
Hazard ratio | 95% CI | p value | Hazard ratio | 95% CI | P value | |
Age (≥80 vs < 80 years) | 1.548 | 0.909–2.634 | 0.107 | |||
Sex (female vs male) | 1.185 | 0.694–2.025 | 0.534 | |||
BMI (< 22.0 vs ≥22.0 kg/m2) | 1.029 | 0.614–1.722 | 0.914 | |||
ASA-PS score (2.3 vs 1) | 1.097 | 0.438–2.753 | 0.843 | |||
Histology (undifferentiated vs differentiated) | 2.582 | 1.541–4.326 | < 0.001 | 1.881 | 1.114–3.175 | 0.018 |
Lymphatic invasion (present vs absent) | 15.156 | 4.739–48.463 | 0.001 | 1.370 | 0.371–5.062 | 0.637 |
Venous invasion (present vs absent) | 5.477 | 2.839–10.566 | < 0.001 | 2.263 | 1.126–4.545 | 0.022 |
pT (≥2 vs 1) | 41.223 | 10.056–168.996 | < 0.001 | 11.642 | 2.690–50.397 | < 0.001 |
pN (present vs absent) | 10.522 | 5.565–19.895 | < 0.001 | 3.621 | 1.849–7.091 | < 0.001 |
Operation duration (≥154 vs < 154 min) | 1.301 | 0.407–4.161 | 0.657 | |||
Bleeding (≥206 vs < 206 mL) | 3.230 | 1.879–5.551 | < 0.001 | 2.137 | 1.236–3.695 | 0.007 |
GNRI (< 95.8 vs ≥95.8) | 3.059 | 1.778–5.263 | < 0.001 | 1.780 | 1.025–3.025 | 0.043 |
ASA-PS American Society of Anesthesiologists physical status, BMI body mass index, CI confidence interval, DSS disease-specific survival, GNRI geriatric nutritional risk index, pT pathological depth of invasion, pN pathological lymph node metastasis