Monoamine oxidase B gene variants associated with attention deficit hyperactivity disorder in the Indo-Caucasoid population from West Bengal

Table 2 Comparative analysis on allelic frequencies of MAOB variants showing significant association with ADHD

Variants	Alleles	Groups	Control	Proband	Chi-square (p-value)	Odds Ratio (95 % confidence interval)	Power
rs56220155	G	Male^a	0.4	0.28	4.2 (0.04)	1.72 (1.02–2.9)	54 %
rs56220155	A		0.6	0.72
rs2283728	T	All^b	0.42	0.21	19.15 (1.21e-005)	2.71 (1.73–4.26)	99 %
	C		0.58	0.79
	T	Male^a	0.47	0.2	21.55 (3.45e-006)	3.4 (2.01–5.74)	99.63 %
	C		0.53	0.8
rs3027440	T	All^b	0.73	0.82	4.13 (0.04)	1.68 (1.02–2.78)	53 %
	C		0.27	0.18
	T	Male^a	0.7	0.83	5.83 (0.02)	2.03 (1.14–3.62)	66 %
	C		0.3	0.17

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