BMC Medical Genetics

Table 3 The result of the Z test in subgroup analyses

From: Meta-analysis of association between TCF7L2 polymorphism rs7903146 and type 2 diabetes mellitus

Subgroup	Dominant		Recessive		Additive(CT vs CC)		Allele		Additive(TT vs CC)
	Z	P	Z	P	Z	P	Z	P	Z	P
Caucasian	14.86	<0.0001	12.35	<0.0001	11.67	<0.0001	16.98	<0.0001	15.15	<0.0001
South Asian	4.69	<0.0001	1.95	0.0509	4.42	<0.0001	4.86	<0.0001	2.01	0.0446
East Asian	6.61	<0.0001	4.47	<0.0001	5.45	<0.0001	7.12	<0.0001	5.83	<0.0001
Others	4.17	<0.0001	3.75	0.0002	3.11	0.0019	4.89	<0.0001	4.65	<0.0001
Total	17.2	<0.0001	13.53	<0.0001	13.73	<0.0001	19.38	<0.0001	13.73	<0.0001

The Z test was performed with the dominant model (TT+CT versus CC), recessive model (TT versus CC+CT), additive model (CT versus CC), additive model (TT versus CC) and allele model (T versus C), respectively

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