Neutrophil-to-lymphocyte ratio and carbohydrate antigen 19-9 as prognostic markers for advanced pancreatic cancer patients receiving first-line chemotherapy

Table 4 The association of the first response evaluation and post-treatment neutrophil-to-lymphocyte ratio in carbohydrate antigen 19-9 negative group

	CA19-9 negative group n = 52
Post-treatment NLR	< 2.62		≥ 2.62
	n = 37	%	n = 15	%	P value1
1st Response					0.032
CR/PR	8	21.6	3	20.0
SD	25	67.6	4	26.7
PD	4	10.8	8	53.3

¹P value from linear-by-linear association test. NLR: Neutrophil-to-lymphocyte ratio; CA19-9: Carbohydrate antigen 19-9; CR: Complete response; PR: Partial response; SD: Stable disease; PD: Progressive disease.