Table 4.

Multivariate analyses for overall survival in the training set (n=50) and in the validation set (n=95)

Variable	HR	95% CI	P values
Multivariate analysis (Cox regression) in the training set (n=50)
NLR ≥2.6 vs <2.6	2.829	0.91 to 8.80	0.073
dNLR ≥1.7 vs <1.7	3.530	1.13 to 11.03	0.030
PNI <45 vs ≥45	2.845	1.04 to 7.78	0.042
Multivariate analysis (Cox regression) in the validation set (n=95)
T4 vs T1-T3	3.111	1.048 to 9.234	0.041
N2b-3 vs N0-N2a	2.191	0.861 to 5.578	0.90
PNI <45 vs ≥45	3.019	1.347 to 6.768	0.007

NLR, neutrophil to lymphocyte ratio; PNI, Prognostic Nutritional Index; dNLR, derived neutrophil to lymphocyte ratio.