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Table 5 Methodological assessment according to six domains of potential biases (Cochrane Risk of Bias Tool)

From: Transosseous versus transmuscular repair of the posterior soft tissue in primary hip arthroplasty: a meta-analysis

RCT Study = 2 Random sequence generation Allocation concealment Blinding of participants and personnel Blinding of outcome assessment Incomplete outcome data Selective reporting Other bias
Moon 2018 Low Low Low Low Low Low Unclear
Spaans 2015 High High Unclear Low Low Low Unclear
  1. Abbreviations: RCT randomized controlled trials
  2. The RCTs' methodological quality and basis were assessed as follows: randomization, allocation concealment, blind method, selective reporting, group similarity at baseline, incomplete outcome data, compliance, the timing of outcome assessments, and intention-to-treat analysis