Table 2 The key characteristics of the included studies
Year of publication | First author | Country | Duration | Patients | Mean age | Sex (M/F) | Depth of invasion (mucosal/submucosal) | Differentiation (differentiation/ undifferentiation) | Follow-up (month) | Score |
|---|---|---|---|---|---|---|---|---|---|---|
2015 | Cho JH | Korea | 2003.5–2007.13 | ESD 288 Surgery 173 | ESD 62.2 ± 9.8 Surgery 59.4 ± 11.5 | ESD 203/85 Surgery 115/58 | ESD 268/20 Surgery 136/37 | ESD 280/8 Surgery 104/69 | ESD 77 Surgery 78 | ****** |
2015 | Song WC | China | 2007.8–2012.3 | ESD 29 Surgery 59 | ESD 65.3 ± 7.5 Surgery 45.8 ± 6.7 | ESD 15/14 Surgery 38/21 | ESD 27/2 Surgery 47/12 | ESD 26/3 Surgery 47/12 | ESD 26.9 ± 8.5 Surgery 22.3 ± 9.4 | ***** |
2015 | Choi IJ | Korea | 2002.1–2007.12 | ER 261 Surgery 114 | ER 62 Surgery 62 | ER 195/66 Surgery 88/26 | NO | ER200/61 Surgery 75/39 | ER74.9 Surgery 78.1 | ****** |
2015 | Kim YI | Korea | 2001–2009 | ER 165 Surgery 292 | ER 62 Surgery 60 | ER 122/43 Surgery 217/75 | ER 130/35 Surgery 250/42 | ER156/9 Surgery 261/31 | ER49.2 Surgery 59.3 | ***** |
2014 | Park CH | Korea | 2007.1–2012.12 | ESD 132 Surgery 132 | ESD 73.9 ± 3.5 Surgery74.4 ± 3.7 | ESD 97/35 Surgery 88/44 | ESD123/9 Surgery 123/9 | ESD 120/12 Surgery 121/11 | ESD 17.6 Surgery 24.2 | ***** |
2014 | Kim DY | Korea | 2004.1–2007.7 | ESD 142 Surgery 71 | ESD 62.0 ± 10.3 Surgery 56.7 ± 12.0 | ESD 94/48 Surgery 58/13 | ESD135/7 Surgery 62/9 | ESD127/15 Surgery 54/17 | ESD 76.7 ± 16.5 Surgery 65.5 ± 16.5 | ****** |
2014 | Chung MW | Korea | 2005.1–2010.12 | ESD 76 Surgery 149 | ESD 61.1 ± 12.6 Surgery 56.7 ± 12.8 | ESD 44/32 Surgery 72/77 | NO | NO | ESD 41.7 ± 22.6 Surgery 42.8 ± 17.3 | ***** |
2012 | Chiu PW | China | 1993.1–2010.12 | ESD 74 Surgery 40 | ESD 66.3 Surgery 67 | ESD 49/25 Surgery 23/17 | ESD66/8 Surgery 19/21 | NO | ESD 27 Surgery 77.6 | ***** |
2011 | Choi KS | Korea | 1997.1–2002.8 | EMR 172 Surgery 379 | EMR 59.3 ± 9.1 Surgery 58.4 ± 10.3 | EMR 127/45 Surgery 286/93 | EMR 156/16 Surgery 342/37 | NO | NO | ****** |