超声内镜对早期食管癌术前分期准确性的Meta分析

表1 纳入文献的研究特征

文献来源	年份	国家	超声内镜频率(MHz)	n	研究形式	确诊方式
Murata等[17]	1988	Japan	7.5,10	52	retrospective	surgery
Toh等[18]	1993	Japan	7.5,12	26	retrospective	surgery
Yoshikane等[19]	1994	Japan	7.5,12	26	prospective	surgery or EMR
Yanai等[20]	1996	Japan	20	17	prospective	surgery or EMR
Murata等[21]	1996	Japan	15,20	49	prospective	surgery or EMR
Shinkai等[22]	2000	Japan	7.5,12,15,20	50	prospective	surgery or EMR
Fukuda等[23]	2000	Japan	12, 20	25	prospective	surgery
陈俊辉等[24]	2000	China	12,15, 20	30	prospective	surgery or EMR
Scotiniotis等[25]	2001	USA	7.5,12	22	prospective	surgery
Kawano等[26]	2003	Japan	20	96	prospective	surgery or EMR
Yanai等[27]	2003	Japan	12, 20	26	prospective	surgery or EMR
Buskens等[28]	2004	Netherland	7.5,12, 20, 30	45	retrospective	surgery
May等[29]	2004	Germany	20	93	prospective	surgery or EMR
Larghi等[30]	2005	USA	7.5, 20	48	prospective	surgery or EMR
张月明等[31]	2008	China	7.5,12, 20	121	prospective	surgery or EMR
Rampado等[32]	2008	Italy	20	55	prospective	surgery or EMR
梁玮等[33]	2009	China	7.5,12, 20	36	prospective	surgery or EMR
武育卫等[34]	2011	China	12, 20	61	prospective	surgery or EMR
裴莉英等[35]	2012	China	20	102	prospective	surgery or EMR/ESD
尔丽绵等[36]	2013	China	15, 20	135	retrospective	surgery or EMR

EMR: 内镜下黏膜切除术; ESD: 内镜下黏膜剥离术.