Table 3

Types of study designs included, and respective quality assessment scales used

Study designNumber of articlesQuality scaleMedian (IQR)/total score
Case series45JBI Checklist for Case Series7 (2)/10
Narrative review58SANRA9 (2)/12
Cohort studies1Newcastle-Ottawa Scale for non-randomised studies5 (0)/9
Systematic review5AMSTAR-2*
  • *A numerical score AMSTAR-2 score for systematic reviews could not be generated as the tool scored studies using low, moderate or high metric values.

  • JBI, Joanna Briggs Institute; SANRA, Scale for the Assessment of Narrative Review Articles.