Table 4 Cox regression model analysis for prediction of progression-free survival
Clinico-pathological variables | Progression-free survival | |||
|---|---|---|---|---|
Univariate | Multivariate | |||
Hazard ratio (95% CI) | p value | Hazard ratio (95% CI) | p value | |
Age Above > 50 years (vs ≤ 50 years) | 1.13 (0.80–1.61) | 0.4795 | 1.24 (0.85–1.81) | 0.2673 |
Histologic grade High grade (vs. low grade) | 1.01 (0.67–1.57) | 0.9547 | 0.83 (0.53–1.33) | 0.4304 |
Lymph node metastasis N1 (vs. N0) | 0.95 (0.51–1.63) | 0.8651 | 1.04 (0.52–1.92) | 0.8999 |
Stage IV (vs. I–III) | 1.93 (1.25–2.89) | 0.0035 | 2.14 (1.34–3.32) | 0.0017 |
Residual tumor Present (vs. Absent) | 1.25 (0.88–1.77) | 0.2141 | 1.37 (0.94–1.98) | 0.0972 |
PD-L1 (Primary tumor) High (vs. Low) | 1.07 (0.73–1.54) | 0.7318 | 1.13 (0.74–1.71) | 0.5548 |
PD-L1 (Peritoneal metastases) High (vs. Low) | 0.89 (0.63–1.27) | 0.5340 | 0.93 (0.62–1.38) | 0.7180 |
