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Table 2 Methodological quality assessment

From: Separate double-layer repair versus en masse repair for delaminated rotator cuff tears: a systematic review and meta-analysis

StudySelectionOutcome
Exposed cohortNon-exposed cohortAscertainment of exposureOutcome of interestComparabilityAssessment of outcomeLength of follow-upAdequacy of follow-upTotal score
Cha et al. [12]********8
Nakamizo et al. [15]********8
Jia et al. [16]********8
  1. *Risk of bias was assessed using the Newcastle–Ottawa Scale. A higher overall score indicates a lower risk of bias; a score of 5 or less (out of 9) corresponds to a high risk of bias