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Table 2 Quality assessment of included studies based on the modified Newcastle-Ottawa scoring system (summarised from additional file 3, document 1)

From: Risk of antimicrobial-associated organ injury among the older adults: a systematic review and meta-analysis

  1. Key for modified Newcastle-Ottawa domains:
  2. Selection:
  3. 1. Representativeness of the exposed cohort
  4. 2. Selection of the non-exposed cohort
  5. 3. Ascertainment of exposure
  6. 4. Demonstration that the outcome of interest was not present at the start of the study
  7. Comparability:
  8. 5. Comparability of cohorts based on design or analysis.
  9. Outcome:
  10. 6. Assessment of outcome
  11. 7. Was follow-up long enough for outcomes to occur.
  12. 8. Adequacy of follow up of cohorts
  13. Red = Failed to satisify domain (Reduces quality)
  14. Amber = Moderately satisfied domain (moderately affects quality)
  15. Green = Satisfied domain (Increases quality)