Critical appraisal of a prospective cohort study
This chapter presents an example of the application of the scheme for critical appraisal: a prospective cohort study entitled ‘Long-term relation between breastfeeding and development of atopy and asthma in children and young adults: a longitudinal study’, published in The Lancet, in 2002. Working through this, critical appraisal shows that this is a substantial and carefully performed prospective cohort study, in which the information on outcome, asthma at the age of nine years, is very clear, and the information on breastfeeding is almost equally clear.
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