The Ratio of Platelets to Lymphocytes Predicts the Prognosis of Metastatic Colorectal Cancer: A Review and Meta-Analysis

Table 2

Subgroup analysis for the association between elevated preoperative PLR and prognosis of patients with colorectal cancer.

	No.	HR (95% CI)	Log-rank value	%	value
Geographic region
Asia	7	1.492 (1.061-2.098)	0.021	81.4	<0.001
Non-Asia	4	2.164 (1.647-2.844)	0	0	0.563
Sample size
<140	5	1.828 (1.271-2.629)	0.001	63.8	0.017
≥140	6	1.582 (1.042-2.403)	0.031	82.2	<0.001
Cutoff value
<170	5	2.127 (1.673-2.703)	<0.001	42.6	0.138
≥170	6	1.383 (1.006-1.9)	0.003	75.2	<0.001
Treatment
Surgery	3	1.901 (1.208-2.994)	0.006	57	0.097
None surgery	8	1.649 (1.16-2.343)	0.005	83.2	<0.001