Efficacy and Safety of Endoscopic Submucosal Dissection for Dysplasia in Ulcerative Colitis Patients: A Systematic Review and Meta-Analysis

Table 1

Study and population characteristics of the included studies.

Author	Year	Country	Patients ()	Lesions ()	Median age (year)	Gender (M/F)	Median duration (year)	Extent of colitis (, E/L/P)	Type of study	Center of study	Quality score
Iacopini F et al. [14]	2015	Italy, Japan	9	10	62	4/5	13	6/3/0	Prospective, cohort	Multicenter	19
Suzuki N et al. [15]	2017	United Kingdom, Japan	32	32	65	18/14	20	NA	Retrospective, cohort	Multicenter	23
Kinoshita S et al. [16]	2018	Japan	25	25	62	18/7	19	19/3/3	Retrospective, cohort	Multicenter	20
Yang DH et al. [17]	2019	South Korea	15	15	60	10/5	14	13/2/0	Retrospective, case control	Single-center	25
Matsumoto K et al. [18]	2019	Japan	7	12	55	5/2	15	4/2/1	Retrospective, case control	Single-center	19
Nishio M et al. [19]	2020	Japan	39	39	56	22/17	17	30/0/9	Retrospective, case control	Single-center	24
Manta R et al. [20]	2021	Italy	53	53	65	31/22	17	30/23/0	Prospective, cohort	Multicenter	22
Matsui A et al. [21]	2021	Japan	12	17	59	6/6	20	10/2/0	Retrospective, case control	Single-center	20

M/F: male/female ratio; UC: ulcerative colitis; E/L/P: extensive colitis/left-side colitis/proctitis; NA: not available.