Table 3.
Multivariate Cox regression analysis for OS and DFS according to baseline characteristics and rs822336-polymorphism status
| End points | OR (95% CI) | df | P | |
|---|---|---|---|---|
| OS | Age: ≥61 vs <61 years | 1.44 (1.09–1.97) | 1 | 0.011 |
| Sex: female vs male | 0.76 (0.56–0.96) | 1 | 0.027 | |
| ECOG score: 1–2 vs 0 | 1.76 (1.11–2.41) | 1 | 0.008 | |
| Pathological staging: IIIA vs II | 2.25 (1.51–2.99) | 1 | 0.004 | |
| Courses of adjuvant chemotherapy: ≥3 vs <3 | 0.68 (0.41–0.92) | 1 | 0.021 | |
| PDL1rs822336 status: GC/CC vs GG | 0.76 (0.33–0.83) | 1 | 0.015 | |
| DFS | Age: ≥61 vs <61 years | 1.31 (1.03–1.78) | 1 | 0.023 |
| ECOG score: 1–2 vs 0 | 1.55 (1.08–2.12) | 1 | 0.014 | |
| Pathological staging: IIIA vs II | 2.20 (1.53–2.86) | 1 | 0.008 | |
| Courses of adjuvant chemotherapy: ≥3 vs <3 | 0.56 (0.29–0.84) | 1 | 0.011 | |
| PDL1rs822336 status: GC/CC vs GG | 0.81 (0.39–0.95) | 1 | 0.035 |
Abbreviations: ECOG, Eastern Cooperative Oncology Group.