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Table 3 Risk of bias assessment of the CSs

From: Sinus tarsi approach versus extensile lateral approach for displaced intra-articular calcaneal fracture: a meta-analysis of current evidence base

Study Selection   Outcome  
Exposed cohort Nonexposed cohort Ascertainment of exposure Outcome of interest Comparability Assessment of outcome Length of follow-up Adequacy of follow-up Total score
Wu et al. [23] * * * * ** * * * 9
Takasaka et al. [24] * * * * * * * 7
Kline et al. [25] * * * * ** * 7
Weber et al. [26] * * * * ** * * * 9
Yeo et al. [27] * * * * ** * * * 9
  1. Risk of bias was assessed with use of the Newcastle–Ottawa Scale. "*" means a score of 1; "**" means a score of 2; the total score of this scale is 9. A higher overall score corresponds to a lower risk of bias; a total score of 5 or less indicates a high risk of bias