Table 2.

Meta-analysis of the association of functional dyspepsia and C825T in GNB3^a.

Study	Case	Control	OR	P
Park et al., 2012	102	148	1.84 (1.06–3.20)	0.031
Kim et al., 2012	167	434	1.30 (0.88–1.92)	0.187
Shimpuku et al., 2011	74	64	0.65 (0.29–1.44)	0.292
Oshima et al., 2010	68	761	0.99 (0.56–1.76)	0.973
Van-Lelyveld et al., 2008	112	336	0.65 (0.42–1.00)	0.052
Tahara et al., 2008	89	94	0.89 (0.45–1.77)	0.739
Camilleri et al., 2006	50	39	2.30 (0.98–5.42)	0.056
Holtmann et al., 2004	56	112	2.22 (1.15–4.27)	0.017
Total	718	1988	1.19 (0.84–1.67)	0.328

^aCC vs. TC and TT.