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Table 6 Expanded Newcastle–Ottawa Quality Assessment Scale for Cohort Studies

From: Systematic review: cystic fibrosis in the SARS-CoV-2/COVID-19 pandemic

  Selection Comparability Outcomes
Representativeness of exposed cohort Selection of non-exposed cohort Ascertainment of exposure Demonstration that outcome of interest was not present at start of study Study controls for most important factor Study controls for other factor Assessment of outcome Follow-up length Adequacy of follow-up
Cosgriff et al. [17]
McClenaghan et al. [18]
Corvol et al. [19]
Mondejar-Lopez et al. [20]
Moeller et al. [21] 2