Table 7.

P values testing Hardy–Weinberg proportion and test for heterogeneity of studies included in the meta-analysis for BsmI bb polymorphism, respectively.

Study	Intervention	Controls	Odds ratio	95% CI	z	P
T J Chang 2000	137/157	231/248	0.504	0.255–0.995
Balazs Gyorffy 2002	35/107	40/103	0.766	0.435–1.348
Vaselin Scrabic 2003	52/134	41/132	1.407	0.848–2.336
J J San Pedro 2005	16/71	27/88	0.657	0.321–1.347
Diego Garcia 2007	77/216	115/203	0.424	0.286–0.628
C Panierakis 2009	15/100	20/96	0.671	0.321–1.402
Chung Cheon 2015	68/81	108/113	0.242	0.0826–0.710
Total (fixed effects)	400/866	582/983	0.632	0.508–0.786	−4.114	<0.001
Total (random effects)	400/866	582/983	0.624	0.418–0.933	−2.298	0.022
Q	17.5208
DF	6
Significance level	P = 0.0075
I2 (inconsistency)	65.76%
95% CI for I2	23.26–84.72

Bias indicators: Begg–Mazumdar: Kendall’s Tau = −0.142857 P = 0.5619 (low power); Egger: bias = −0.656941 (95% CI = −7.053883 to 5.74) P = 0.8023; Harbord–Egger: bias = 0.561504 (92.5% CI = −6.312289 to 5.189281) P = 0.8354.

DF, degree of freedom; Q, heterogeneity in meta analysis.