Table 2.

Meta-analysis of the ADIPOQ +45 T/G polymorphism with the risk of gestational diabetes mellitus.

	n	Cases/controls	TG vs. TT		GG vs. TT		Dominant		Recessive		G vs. T
			OR (95% CI)a	p b	OR (95% CI)a	p b	OR (95% CI)a	p b	OR (95% CI)a	p b	OR (95% CI)a	p b
Total	8	875/884	1.15 (0.70–1.89)	<0.001	1.21 (0.48–3.03)	<0.001	0.86 (0.50–1.48)	<0.001	1.21 (0.62–2.33)	0.01	1.17 (0.79–1.76)	<0.001
HWE	6	763/734	1.35 (0.84–2.17)	0.006	1.54 (0.56–4.11)	0.004	0.72 (0.43–1.19)	0.001	1.49 (0.77v2.88)	0.10	1.33 (0.93–1.90)	0.001
Sample size
>100	6	797/797	1.29 (0.83–2.01)	0.01	1.46 (0.55–3.83)	0.001	0.76 (0.45–1.28)	<0.001	1.34 (0.64v2.82)	0.01	1.27 (0.86–1.89)	<0.001
⩽100	2	78/87	0.73 (0.07–7.88)	0.001	0.93 (0.03–29.22)	0.01	1.35 (0.11–16.57)	<0.001	1.05 (0.12–9.44)	0.09	0.88 (0.15–5.26)	<0.001

ADIPOQ: adiponectin; OR: odds ratio; CI: confidence interval; HWE: Hardy-Weinberg equilibrium.

^aRandom-effects model was used.

^bP value for heterogeneity test.