Article Figures & Data
Figures
- Figure 1
- The Cochrane risk of bias assessment tool was used to evaluate the included articles’quality. A) Risk of bias graph; B) risk of bias summary.
- Figure 2
- Flow diagram of study selection.
- Figure 3
- Forest plots comparing PCM-ESD to CM-ESD. A) Forest plot of the R0 resection rate; B) forest plot of the en bloc resection.
- Figure 4
- Forest plots comparing PCM-ESD to CM-ESD. A) Forest plot of dissection speed; B) forest plot of procedure time.
- Figure 5
- Forest plots comparing PCM-ESD to CM-ESD. A) Forest plot of delayed bleeding; B) forest plot of perforation.
Tables
Authors Study periods Countries Types of study Settings PCM/CM Gender (male:female) Age, mean±SD (years) No. of patients Wu et al14 2022-2023 China RCT single center 22:6/17:10 65.5(55.3-70.8)/61(57-72) 28/27 Lin et al15 2019-2021 China Retrospective single center 23:9/25:7 64 (55.3-74.25)/66 (56.5-71) 32/32 Lee et al16 2018-2021 Korea Retrospective single center 32:16/37:15 66.63±12.48/64.52±10.95 48/52 Kitamura et al17 2006-2021 Japan Retrospective single center 48:13/72:15 73 (51-93)/73 (53-89) 61/97 Kitamura et al18 2006-2019 Japan Retrospective single center 13:7/29:17 73 (70-79)/76 (68-79) 20/46 Harada et al19 2017-2017 Japan Retrospective single center 42:6/44:4 75.6±6.8/75.2±7.1 48/48 Liao et al20 2017-2018 China RCT single center NA/NA 41-82/39-84 21/18 PCM: pocket-creation method, CM: creation method, RCT: randomized controlled trial, NA: not available, SD: standard deviation
Authors Lesion size, median (mm) Presence of ulcer Location (U/M/L) Location (G/L/A/P) Macroscopic type (0-I/0-II/0-III) PCM CM PCM CM PCM CM PCM CM PCM CM Wu et al14 32 (27-40) 30(25-40) 3 2 7/10/11 7/10/10 5/13/6/4 5/14/5/3 1/27/0 3/24/0 Lin et al15 38 (35-40) 34.5 (30-37) 3 2 10/12/10 11/9/12 12/10/2/8 11/8/5/8 2/30/0 2/30/0 Lee et al16 NA NA NA NA 12/8/28 7/12/33 20/14/3/11 6/21/7/18 7/41/0 4/48/0 Kitamura et al17 21 (5-84) 20 (4-70) 12 19 0/61/0 0/97/0 0/61/0/0 0/97/0/0 27/34(0-II or 0-III) 58/39(0-II or 0-III) Kitamura et al18 23 (13-35) 20 (13-35) 2 0 0/0/20 0/0/46 2/10/5/3 4/22/11/9 5/15(0-II or 0-III) 22/24(0-II or 0-III) Harada et al19 15 (10.8-20) 15.5 (9.8-22.3) 12 11 7/18/23 9/14/25 10/19/5/14 7/26/3/12 23(0-I or 0-II)/25 26(0-I or 0-II)/22 Liao et al20 27.9±23.7 32.2±18.2 NA NA NA NA NA NA NA NA PCM: pocket-creation method, CM: creation method, NA: not available, U: upper third, M: middle third, L: lower third, G: grater curvature, L: lesser curvature, A: anterior wall, P: posterior wall
Authors R0 resection Bloc resection Procedure time (min) Dissection speed (mm2/min) Perforation Delayed bleeding PCM CM PCM CM PCM CM PCM CM PCM CM PCM CM Wu et al14 27/28 25/27 28/28 27/27 30±7.13 40±16.27 21.5±1.34 14.3±1.80 0/28 2/27 1/28 1/28 Lin et al15 31/32 30/32 32/32 31/32 38.5±4.11 44.5±4.29 19.6±0.79 15±0.89 0/32 2/32 1/32 3/32 Lee et al16 42/48 46/52 48/48 52/52 73.46±40.84 63.77±29.25 NA NA 0/48 1/52 0/48 3/52 Kitamura et al17 55/61 88/97 61/61 96/97 65±53.04 69±45.42 20±9.27 14±10.25 0/61 2/97 6/61 4/97 Kitamura et al18 20/20 38/46 20/20 45/46 75±14.18 75±14.69 16±3.47 11±2.71 0/20 0/46 2/20 2/46 Harada et al19 47/48 46/48 48/48 48/48 27.5±5.83 41±8.79 22.5±4.15 17.3±2.10 0/48 0/48 4/48 3/48 Liao et al20 NA NA NA NA 72.26±4.25 99.73±12.57 NA NA 0/21 2/18 0/21 4/18 PCM: pocket-creation method, CM: creation method, NA: not available
Authors Types of study Research object selection (0-4) Intergroup comparability (0-2) Outcome indicators (0-3) Total (0-9) Lin et al16 Retrospective **** ** * 7 Lee et al17 Retrospective **** ** * 7 Kitamura et al18 Retrospective **** ** * 7 Kitamura et al19 Retrospective **** ** * 7 Harada et al20 Retrospective **** ** * 7 One star for each point, maximum of 9 stars.
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