Table 3. Main results of the meta-analysis of the association between HLA-DQ rs9275572 polymorphism and HBV infection outcomes.

Comparison	Subgroup	Allele model (A vs. G)			Heterozygous model (AG vs. GG)			Homozygous model (AA vs. GG)			Recessive model (AA vs. AG+GG)			Dominant model (AA+AG vs. GG)
		OR (95%CI)	PH	PZ	OR (95%CI)	PH	PZ	OR (95%CI)	PH	PZ	OR (95%CI)	PH	PZ	OR (95%CI)	PH	PZ
HBV infection vs. Control	Overall	0.68 (0.62-0.74)	0.11	<0.01	0.73 (0.65-0.82)	0.34	<0.01	0.45 (0.37-0.56)	0.23	<0.01	0.51 (0.42-0.62)	0.41	<0.01	0.66 (0.59-0.74)	0.21	<0.01
	Asian	0.64 (0.54-0.71)	0.34	<0.01	0.68 (0.59-0.78)	0.89	<0.01	0.40 (0.31-0.52)	0.35	<0.01	0.47 (0.37-0.60)	0.46	<0.01	0.62 (0.54-0.71)	0.55	<0.01
	Caucasian	0.78 (0.66-0.91)	-*	<0.01	0.89 (0.71-1.13)	-*	0.33	0.56 (0.40-0.78)	-*	<0.01	0.59 (0.43-0.81)	-*	<0.01	0.80 (0.64-0.99)	-*	0.04
HBV infection vs. NC	Overall	0.70 (0.62-0.79)	0.61	<0.01	0.65 (0.56-0.76)	0.30	<0.01	0.57 (0.44-0.76)	0.99	<0.01	0.67 (0.52-0.87)	0.99	<0.01	0.63 (0.55-0.73)	0.47	<0.01
	Asian	0.66 (0.57-0.76)	0.91	<0.01	0.59 (0.49-0.71)	0.92	<0.01	0.57 (0.39-0.82)	0.99	<0.01	0.70 (0.49-1.00)	0.99	0.05	0.59 (0.49-0.70)	0.94	<0.01
	Caucasian	0.78 (0.64-0.94)	-*	0.01	0.82 (0.61-1.09)	-*	0.17	0.58 (0.38-0.88)	-*	0.01	0.65 (0.44-0.95)	-*	0.03	0.76 (0.58-0.99)	-*	0.05
LC vs. CHB	Chinese	1.34 (1.14-1.56)	0.99	<0.01	0.97 (0.80-1.18)	0.82	0.76	1.22 (0.83-1.80)	0.82	0.31	1.25 (0.85-1.82)	0.73	0.25	1.00 (0.83-1.21)	0.96	0.97
HCC vs. LC+CHB	Chinese	0.71 (0.63-0.80)	0.79	<0.01	073 (0.64-0.84)	0.55	<0.01	0.49 (0.35-0.68)	1.00	<0.01	0.54 (0.39-0.76)	0.99	<0.01	0.69 (0.60-0.80)	0.63	<0.01

-*Because there was only one study with this genotype of rs9275572, the value could not be calculated.