Expression of epithelial cellular adhesion molecule in gastric cancer: A meta-analysis

Table 1 Characteristics of included studies

First author	Country	Year	Ethnics	Age (< 50:≥50)	No. of patients (male:female)	No. of patients (EpCAM+: EpCAM-)	Diagnosis of GC (Histo-, Patho-, NR)	Study quality (NOS)
Zhang et al	China	2011	Asian	11:31	24:18	34:8	Patho-	8
Sun et al	China	2010	Asian	31:29	48:12	46:14	Patho-	8
Fang et al	China	2010	Asian	27:31	39:19	46:12	Patho-	8
Lu et al	China	2011	Asian	43:48	70:21	84:7	Patho-	9
Yang et al	China	2014	Asian	33:39	57:15	48:24	Patho-	9
Peng et al	China	2011	Asian	20:11	18:13	21:10	Patho-	9
Yang et al	China	2012	Asian	33:62	66:29	56:39	Patho-	8
Zhang et al	China	2014	Asian	17:25	24:18	37:5	Patho-	7
Li et al	China	2012	Asian	NR	311:125	179:257	Patho-	7
Du et al	China	2009	Asian	26:74	61:39	74:26	Patho-	8
Went et al	Switzerland	2006	Caucasian	NR	311:117	NR	Patho-	7
Kroepil et al	Germany	2013	Caucasian	NR	NR	126:37	Patho-	8
Wang et al	China	2013	Asian	NR	428:173	247:354	NR	8
Songun et al	The Netherlands	2005	Caucasian	NR	NR	NR	Patho-	7

Histo-: Histology; Patho-: Pathology; NR: Not reported; NOS: Newcastle-Ottawa Scale classification; EpCAM: Epithelial cellular adhesion molecule.