Ann Coloproctol > Volume 38(1); 2022 > Article |
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Study | Clearly stated aim | Inclusion of consecutive patients | Prospective data collection | Endpoints appropriate to study aim | Unbiased assessment of study endpoint | Follow-up period appropriate to study aim | < 5% lost to follow up | Prospective calculation of study size | Adequate control group | Contemporary groups | Baseline equivalency of groups | Adequate statistical analyses | Total score |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Akiyoshi et al. [13] | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
Aisu et al. [14] | 1 | 2 | 1 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10 |
Bae et al. [25] | 1 | 2 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 8 |
Furuhata et al. [36] | 2 | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 8 |
Georgiou et al. [38] | 1 | 2 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 1 | 2 | 14 |
Horie et al. [39] | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
Ishihara et al. [40] | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 18 |
Kanemitsu et al. [41] | 1 | 2 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 1 | 1 | 2 | 15 |
Kawahara et al. [42] | 2 | 2 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 2 | 14 |
Kim et al. [43] | 2 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
Kim et al. [15] | 0 | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 2 | 11 |
Kinugasa et al. [16] | 1 | 1 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8 |
Lee et al. [17] | 2 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6 |
Matsuda et al. [18] | 0 | 1 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 7 |
Nagayoshi et al. [19] | 2 | 1 | 0 | 2 | 0 | 1 | 2 | 1 | 0 | 2 | 2 | 2 | 15 |
Nonaka et al. [20] | 2 | 2 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 8 |
Ogura et al. [21] | 2 | 0 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 2 | 1 | 2 | 12 |
Ogura et al. [22] | 2 | 2 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10 |
Oki et al. [23] | 1 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
Ozawa et al. [24] | 2 | 0 | 0 | 2 | 1 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 15 |
Park et al. [26] | 2 | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 8 |
Park et al. [27] | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 2 | 12 |
Saito et al. [34] | 1 | 2 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 2 | 1 | 2 | 14 |
Shin et al. [37] | 2 | 2 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 9 |
Sinukumar et al. [29] | 1 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 6 |
Tamura et al. [30] | 2 | 2 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 10 |
Yamaguchi et al. [31] | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 18 |
Study | Year | Study design | No. of subjects, TME/EL | Male sex, TME/EL | Mean age (yr), TME/EL | Country | Radiotherapy, TME/EL | Median follow-up |
---|---|---|---|---|---|---|---|---|
Kinugasa et al. [16] | 2014 | Retrospective observational | 544/450 | 343/302 | Mean age not reported | Japan | No | 200 mo |
Oki et al. [23] | 2019 | Ad hoc analysis from RCT | 230/215 | 151/159 | 63.5/60.7 | Japan | No | 5 yr |
Bae et al. [25] | 2014 | Retrospective observational | 0/21 | 0/12 | -/56 | South Korea | No | 14 mo |
Georgiou et al. [38] | 2017 | Retrospective observational | 24/17 | 17/11 | 66/57 | United Kingdom | 19/12 | 33 mo |
Park et al. [26] | 2018 | Retrospective observational | 281/80 | 198/46 | 61/57.8 | South Korea | 281/80 | Not mentioned |
Aisu et al. [14] | 2018 | Retrospective observational, study comparing effects of NAC in EL | 19 (NAC), 6 (no NAC) | 11 (NAC), 3 (no NAC) | 66 (NAC), 71.5 (no NAC) | Japan | No | 27.5 mo |
Nonaka et al. [20] | 2018 | Retrospective observational | 0/11 | 0/7 | -/65 | Japan | 0/3 | 19.5 mo |
Sinukumar et al. [29] | 2015 | Retrospective observational | 0/8 | 0/8 | -/42 | India | 0/8 | 13 mo |
Ozawa et al. [24] | 2016 | Retrospective observational | 499/499 | 334/356 | 240 under 60/235 under 60 | Japan | 233 overall had chemotherapy | Not mentioned |
Ito et al. [33], | 2018 | RCT | 350/351 | 236/236 | 62/61 | Japan | No | 72.2 mo |
Fujita et al. [32], | 2012 | |||||||
Fujita et al. [28], | 2017 | |||||||
Saito et al. [34]a) | 2016 | |||||||
Park et al. [27] | 2011 | Retrospective observational | 0/16 | 0/8 | -/55.9 | South Korea | 0/9 | 38 mo |
Nagayoshi et al. [19] | 2016 | Retrospective observational | 0/90 | 0/57 | -/58.8 | Japan | 0/6 | 57.1 mo |
Kawahara et al. [42] | 2012 | Retrospective observational | 63/78 | 40/40 | 62/60.1 | Japan | No (only chemotherapy for all patients) | 114 mo |
Kanemitsu et al. [41] | 2017 | Retrospective observational | 0/672 | 0/440 | -/56.1 | Japan | 0/21 | 110 mo |
Kanemitsu et al. [41] | 2017 | Retrospective observational | 0/519 | 0/332 | -/56.3 | Japan | No | 107 mo |
Ogura et al. [21] | 2017 | Retrospective observational | 220/107 | 147/82 | 60/60 | Japan | 220/107 | 36 mo |
Ishihara et al. [40] | 2016 | Retrospective observational | 884/354 | 548/240 | 64/60 | Japan | 34/14 | 62 mo |
Shin et al. [37] | 2016 | Retrospective observational | 0/18 | 0/13 | -/50.5 | United States | 0/32 | 30 mo |
Yamaguchi et al. [31] | 2018 | Retrospective matched-cohort (comparing robotic assisted vs. open EL) | 78 (robotic), 78 (open) | 58 (robotic), 53 (open) | 63 (robotic), 61 (open) | Japan | 6 (robotic), 6 (open) | 54 mo |
Matsuda et al. [18] | 2018 | Retrospective observational | 13/32 | 9/24 | 68/64 | Japan | 13/32 | 52 mo |
Horie et al. [39] | 2018 | Retrospective observational | 0/10 | 0/8 | -/62 | Japan | 0/7 | 18 days (only hospital stay recorded) |
Tamura et al. [30] | 2017 | Retrospective observational | 23/27 | 20/23 | Not reported | Japan | Not reported | Not reported |
Akiyoshi et al. [13] | 2015 | Retrospective observational | 0/9 | 0/5 | -/56 | Japan | 0/4 | 52 mo |
Lee et al. [17] | 2019 | Retrospective observational | 15/37 | 10/25 | 66/65 | Japan | 15/37 | 45 mo |
Furuhata et al. [36] | 2015 | Retrospective observational | 0/18 | 0/14 | -/58.7 | Japan | No | 23.6 mo (mean) |
Kim et al. [43] | 2017 | Retrospective observational | 31/53 | 25/31 | Not reported | South Korea | 31/53 | 32.3 mo |
Kim et al. [15] | 2018 | Retrospective observational, comparing robotic to laparoscopic EL | 50 (robotic), 35 (laparoscopic) | 29 (robotic), 21 (laparoscopic) | 57 (robotic), 60.1 (laparoscopic) | South Korea | 41 (robotic), 24 (laparoscopic) | 26.3 mo |
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