Table 5.

Intergroup Comparison of OS Based on Combination of NLR and ETS.

Group comparison		χ2	P
Group 1	2	8.833	0.003
	3	4.549	0.033
	4	31.258	<0.001
Group 2	3	0.046	0.830
	4	7.678	0.006
Group 3	4	7.828	0.005

Note: Group 1, NLR low/ETS high; group 2, NLR low/ETS low; group 3, NLR high/ETS high; group 4, NLR high/ETS low.

Abbreviations: NLR, neutrophil-to-lymphocyte ratio; ETS, early tumor shrinkage.