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Table 2 Risk of Bias

From: Functional recovery with peripheral nerve block versus general anesthesia for upper limb surgery: a systematic review

RCT

Selection

Performance

Detection

Attrition

Reporting

Others

Randomisation

Allocation

Galos, 2016 [36]

Rundgren, 2019 [39]

Wong, 2020 [40]

Observational studies

Exposed and non-exposed cohort population

Assessment exposure

Absence outcome before study

Exposed and non-exposed matched

Assessment outcome

Assessment prognostic factor

Follow-up quality

Similiarity co-intervention

Egol, 2012 [34]

Egol, 2014 [35]

Doo, 2020 [20]

  1. Risk of Bias Graph. For RCT: Cochrane Collaboration risk of bias tool. For observational studies: CLARITY (Clinical Advances through Research and Information Translation) tool
  2. RCT Randomized Control Trial
  3. Explanations
  4.  Low risk of bias (RCT)/definitively yes (observational studies)
  5.  Unclear (RCT)/probably yes (observational studies)
  6.  High (RCT)/ definitively non (observational studies)