Association of IL-17 polymorphisms with gastric cancer risk in Asian populations

Table 3 Univariate and multivariate meta-regression analyses of the potential source of heterogeneity

Heterogeneity factors	rs2275913 G>A						rs763780 T>C
	Coefficient	SE	Z	P value	95%CI		Coefficient	SE	Z	P value	95%CI
					LL	UL					LL	UL
Publication year
Univariate	0.042	0.048	0.87	0.386	-0.053	0.137	0.034	0.065	0.52	0.601	-0.093	0.161
Multivariate	0.040	0.030	1.32	0.185	-0.019	0.098	-0.093	0.056	-1.67	0.094	-0.202	0.016
Country
Univariate	-0.119	0.123	-0.97	0.332	-0.360	0.121	0.225	0.335	0.67	0.502	-0.432	0.882
Multivariate	0.035	0.087	0.41	0.684	-0.135	0.206	0.279	0.167	1.67	0.094	-0.048	0.606
Genotyping method
Univariate	-0.209	0.049	-4.27	0.000	-0.305	-0.113	-0.216	0.091	-2.36	0.018	-0.395	-0.037
Multivariate	-0.218	0.051	-4.31	0.000	-0.317	0.119	-0.219	0.067	-3.27	0.001	-0.350	-0.087

UL: Upper limit; LL: Lower limit.