PD-L1 rs2890658 Polymorphism Increases Risk for Non-Small-Cell Lung Cancer in Northern China Population Based on Experimental Data and Meta-Analysis

Table 1

The participates characteristics of both NSCLC and control group.

Basic information		Control (N = 600)	NSCLC (N = 600)
Age		61.3 ± 10.0	62.5 ± 9.9	0.115
Gender				0.131
	Male	320	346
	Female	280	254
Smoking status				0.343
	Ever	224	240
	Never	376	360
Family history of cancer				0.330
	Yes	102	115
	No	498	485
Clinicopathological type				—
	I	—	130
	II	—	147
	III	—	95
	IV	—	170
Histology types		—
	Squamous carcinoma	—	229	—
	Adenocarcinoma	—	371

NSCLC, non-small-cell lung cancer.