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Table 2 Risk of bias summary

From: A meta-analysis of long follow-up outcomes of laparoscopic Nissen (total) versus Toupet (270°) fundoplication for gastro-esophageal reflux disease based on randomized controlled trials in adults

  ① ② ③ ④ ⑤ ⑥ ⑦
Chrysos 2003[25] LR LR LR LR LR LR LR
Guérin 2007[26] UR UR UR LR LR LR LR
Strate 2008[27] LR LR LR LR LR LR LR
Booth 2008[28] LR LR LR LR LR LR LR
Shaw 2010[29] LR LR LR LR LR LR LR
Qin 2013[19] HR LR UR UR LR LR LR
Koch 2013[20] LR LR HR LR LR LR LR
Wang 2015[21] LR LR LR LR LR LR LR
  1. ①:Random sequence generation; ②:Allocation concealment; ③:Blinding of participants and personnel ④:Blinding of outcomes assessment; ⑤:Incomplete outcome data; ⑥:Selective reporting; ⑦:Other bias. LR low risk, UR unclear risk, HR high risk
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BMC Gastroenterology

ISSN: 1471-230X

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