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Table 6 Critical quality appraisal for included case–control studies according to the Critical Appraisal Skills Programme (CASP) [39]

From: Efficacy and safety of adrenergic alpha-1 receptor antagonists in older adults: a systematic review and meta-analysis supporting the development of recommendations to reduce potentially inappropriate prescribing

Authors (Year)

Case–control studies

Focused issue?

Appropriate method?

Acceptable recruitment of cases?

Acceptable controls?

Accurate exposure measurement?

Groups treated equally?

Confounders considered in design/analysis?

Results of study? *

Believe in results?

Results applicable?

Results fit evidence?

Hall and McMahon (2007) [52]

Case–control study

Y

Y

Y

Y

Y

Y

Y

 

Y

Y

U

Testa et al. (2018) [53]

Case–control study

Y

Y

Y

Y

Y

Y

Y

 

Y

U

U

  1. Y Yes, N No, U Unclear
  2. * Results are to be found in Table 2