Preoperative Neutrophil-to-Lymphocyte Ratio, Platelet-to-Lymphocyte Ratio, and CEA as the Potential Prognostic Biomarkers for Colorectal Cancer

Table 2

Kaplan–Meier survival analysis and log-rank test compared in the clinical pathological stage.

Characteristics		Stage I-II				Stage III-IV
		N	Mean OS (months)	X^2	value	N	Mean OS (months)	X^2	value
NLR	Low	94	54.2	10.7	0.001	82	43.9	4.9	0.027
	High	69	41.4			85	34
PLR	Low	80	54.1	7.4	0.007	68	42.9	2.2	0.139
	High	83	44.9			99	35.5
CEA (ng/mL)	Low	140	49.8	0.7	0.383	104	44.9	12.4	<0.001
	High	23	43.9			63	29.5
CEA + NLR	Low	83	54.4	8.6	0.003	58	49.6	12.1	0.001
	High	80	42.9			109	33.2
CEA + PLR	Low	71	53.7	5.2	0.023	46	47.4	5.6	0.018
	High	92	45.9			121	35.4
NLR + PLR	Low	64	56.2	9.9	0.002	52	46.2	4.9	0.027
	High	99	44.7			115	35.3
CEA + NLR + PLR	Low	58	55.6	7.2	0.007	36	52.4	9.5	0.002
	High	105	45.6			131	35