How good is endoscopic ultrasound for TNM staging of gastric cancers? A meta-analysis and systematic review

Table 1 Characteristics of studies included in this meta-analysis for calculating diagnostic accuracy of EUS for gastric cancer staging

No.	Author	Year of publication	No. of patients	Type of study	Confirmatory procedure
1	Grimm et al[28]	1993	147	Prospective	Surgery
2	Francois et al[29]	1996	29	Consecutive	Surgery
3	Schimizu et al[30]	1994	125	Consecutive	Surgery
4	Dittler et al[31]	1993	254	Consecutive	Surgery
5	Ziegler et al[32]	1993	118	Prospective	Surgery
6	Botet et al[33]	1991	50	Prospective	Surgery
7	Xi et al[34]	2003	35	Prospective	Surgery
8	Caletti et al[35]	1991	42	Prospective	Surgery
9	Akahoshi et al[36]	1989	74	Prospective	Surgery
10	Tio et al[37]	1989	72	Prospective	Surgery
11	Massari et al[38]	1996	99	Prospective	Surgery
12	Saito et al[39]	1991	110	Prospective	Surgery
13	Murata et al[40]	1988	146	Prospective	Surgery
14	Hunerbein et al[41]	1996	19	Consecutive	Surgery
15	Perng et al[42]	1996	69	Consecutive	Surgery
16	Tio et al[43]	1989	75	Prospective	Surgery
17	Tio et al[44]	1986	36	Prospective	Surgery
18	Shimoyama et al[45]	2004	45	Consecutive	Surgery
19	Willis et al[46]	2000	116	Consecutive	Surgery
20	Rosch et al[47]	1992	41	Consecutive	Surgery
21	Javaid et al[48]	2003	112	Consecutive	Surgery
22	Potrc et al	2006	82	Prospective	Surgery