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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

 
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. :Random sequence generation; :Allocation concealment; :Blinding of participants and personnel :Blinding of outcomes assessment; :Incomplete outcome data; :Selective reporting; :Other bias. LR low risk, UR unclear risk, HR high risk