The importance of data issues when comparing cystic fibrosis registry outcomes between countries: Are annual review FEV1 in the UK only collected when subjects are well?
Zhe Hui HooRachael CurleyMichael J CampbellStephen J WaltersMartin J WildmanPublished in: Journal of evaluation in clinical practice (2018)
Annual review FEV1 underestimates lung health of adults with CF in the UK and may bias cross-country comparisons.