Heterogeneity revealed through meta-analysis might link geographical differences with nasopharyngeal carcinoma incidence in Han Chinese populations

Table 3 Meta-analysis of rs29232 in studies with samples from various incidence regions

		Sample		Fixed effect			Random effect			Heterogeneity
	Population	Case	Control	P	OR	95 % CI	P	OR	95 % CI	I² %	P
All		4,926	7,554	1.46E-30	1.45	1.36–1.54	1.90E-16	1.51	1.34–1.61	47	0.1092
Moderate incidence region	Taiwan	1,254	2,215	3.43E-13	1.70	1.47–1.95	3.43E-13	1.70	1.47–1.95	0	0.7998
High incidence region	Guangdong and Guangxi^a	3,672	5,339	2.92E-20	1.40	1.30–1.49	2.92E-13	1.40	1.30–1.49	0	0.4627

^aMost of the samples were from high incidence region (Guangdong and Guangxi) except 922 controls were Han Chinese from Singapore

ISSN: 1471-2407