Table 2.

The Results of Meta-analysis for the Effects of Helicobacter pylori Eradication on Functional Dyspepsia

Studies	Treatment			Control			OR	95% lower CI	95% upper CI	Weights	P-value
	Improved patients (n)	Total (n)	Proportion	Improved patients (n)	Total (n)	Proportion
Ang et al,22 2006	45	71	0.634	40	59	0.678	0.822	0.397	1.704	3.8
Blum et al,23 1998	45	164	0.274	34	164	0.207	1.446	0.868	2.408	7.8
Froehlich et al,25 2001	15	92	0.163	13	88	0.148	1.124	0.501	2.521	3.1
Gisbert et al,26 2004	21	34	0.618	8	16	0.500	1.615	0.487	5.361	1.4
Gwee et al,27 2009	10	41	0.244	3	41	0.073	4.086	1.034	16.155	1.1
Hsu et al,28 2001	47	81	0.580	44	80	0.550	1.131	0.606	2.110	5.2
Koskenpato et al,29 2001	16	77	0.208	11	74	0.149	1.502	0.646	3.496	2.8
Mazzoleni et al,31 2011	94	201	0.468	72	203	0.355	1.598	1.072	2.383	12.7
Mazzoleni et al,30 2006	16	46	0.348	9	45	0.200	2.133	0.825	5.514	2.2
McColl et al,32 1998	33	160	0.206	11	158	0.070	3.472	1.686	7.152	3.9
Sodhi et al,33 2013	95	259	0.367	72	260	0.277	1.513	1.044	2.192	14.7
Talley et al,34 1999	32	133	0.241	31	142	0.218	1.135	0.646	1.991	6.4
Talley et al,35 1999	69	170	0.406	71	167	0.425	0.924	0.599	1.425	10.7
Veldhuyzen van Zanten et al,36 2003	44	75	0.587	46	82	0.561	1.111	0.590	2.093	5.0
Bruley Des Varannes et al,24 2001	55	129	0.426	38	124	0.306	1.682	1.003	2.821	7.5
Yazdanbod et al,37 2015	87	186	0.468	83	173	0.480	0.953	0.630	1.443	11.7
Total (Fixed effect model)							1.334	1.157	1.537	100.0	< 0.01

P-value of test of heterogeneity among studies = 0.152; Higgins’ I² = 27.0% (0.0%, 60.0%).