Research Article

Neutrophil-to-Lymphocyte Ratio (NLR) Predicts PD-1 Inhibitor Survival in Patients with Metastatic Gastric Cancer

Table 4

Univariate analysis and multivariate analysis of overall survival time.

Variable categoryCategoryHR (95% CI) valueHR (95% CI) value

GenderFemale versus male0.99 (0.64-1.52)0.9550.82 (0.48-1.39)0.468
Age⩾59 versus <591.29 (0.87-1.89)0.1991.34 (0.83-2.18)0.230
ECOG⩾2 versus 0-11.18 (0.67-2.08)0.5571.58 (0.85-2.93)0.146
Tumor_locationCardia versus body/fundus versus pylorus0.89 (0.70-1.12)0.1030.99 (0.74-1.33)0.968
Histological_differentiationPoorly versus moderately and well1.92 (1.29-2.86)0.0011.89 (1.21-2.94)0.005
No. of metastasis organs≥2 versus <21.39 (0.87-2.20)0.1561.15 (0.71-1.87)0.564
Liver metastasisYes versus no0.84 (0.57-1.25)0.3960.88 (0.54-1.41)0.584
Smoking_historySmoke versus never smoked1.40 (0.96-2.06)0.0771.38 (0.78-2.43)0.271
Drinking_historyDrink versus never drinked0.73 (0.49-1.07)0.1100.73 (0.42-1.26)0.259
Anti-PD-1 therapy lineFirst line versus second line and third line0.551 (0.38-0.80)0.0020.64 (0.39-1.06)0.086
Treatment typeAnti-PD-1 plus chemotherapy versus anti-PD-1 monotherapy or antiangiogenesis0.49 (0.33-0.73)<0.0010.73 (0.43-1.24)0.249
Baseline NLR<3.23 versus ≥3.230.38 (0.26-0.57)<0.0010.34 (0.22-0.52)<0.001

CI: confidence interval; ECOG PS: Eastern Cooperative Oncology Group Performance Status; NLR: neutrophil-to-lymphocyte ratio; HR: hazard ratio.