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Table 2 Risk of Bias Evaluation for the Retroactive Study (NOS)

From: A comparison between barbed suture and conventional suture in total knee arthroplasty: a systematic review and meta-analysis

Included TrialsSelectionComparabilityOutcometotal stars
Eickmann 2010 [13]8
Jeremy 2012 [4]8
Aditya 2015 [9] 8
  1. A, Representativeness of the exposed cohort; B, Selection of the non-exposed cohort; C, Ascertainment of exposure; D, Demonstration that outcome of interest was not present at start of study; E, Comparability of cohorts on the basis of the design or analysis; F, Assessment of outcome; G, was follow-up long enough for outcomes to occur; F, Adequacy of follow up of cohorts
  2. (