miRNA polymorphisms and risk of gastric cancer in Asian population

Table 2 miR-196a-2 single-nucleotide polymorphism (rs11614913) in gastric cancer

First author year	Study design	Case/control	Case			Control			Risk1 (OR and 95%CI)
			TT	CT	CC	TT	CT	CC
Peng et al[40] 2010	HB	213/213	43	94	76	50	107	56	1.56 (1.03-2.35)
Okubo et al[41] 2010	HB	552/697	166	281	105	223	350	124	1.09 (0.81-1.45)
Ahn et al[50] 2012	HB	461/447	119	242	100	128	232	87	1.15 (0.83-1.58)
Wang et al[51] 2013	HB	1689/1946	519	851	319	524	940	482	0.71 (0.60-0.83)
Overall		2915/3303	847	1468	600	925	1629	749	1.06 (0.74-1.50)

¹OR and 95%CI were calculated under a recessive genetic model (CC vs CT + TT). HB: Hospital based.