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

Table 5

Meta-analysis of the PD-L1 rs2890658 polymorphism and non-small-cell lung cancer risk.

Comparison	N	Test of association			Mode	Test of heterogeneity
		OR	95%CI			χ^2		I^2
C versus. A	4	1.53	1.09–2.13	0.013	Random	9.86	0.020	69.6
CC versus. AA	4	1.75	0.92–3.33	0.089	Fixed	1.60	0.659	0
CA versus. AA	4	1.50	1.04–2.16	0.030	Random	9.34	0.025	67.9
CC versus. CA/AA	4	1.71	0.90–3.25	0.102	Random	1.27	0.735	0
CC/CA versus. AA	4	1.54	1.07–2.21	0.019	Random	9.66	0.022	69.0

OR, odds ratio; CI, confidence interval.