Fig. 1From: The delirium and population health informatics cohort study protocol: ascertaining the determinants and outcomes from delirium in a whole populationStudies examining delirium in relation to cognitive decline. Top panel: Hospitalised cohorts lack prospective measures of pre-morbid cognition. Middle panel: Population cohorts characterise cognition in community, retrospectively ascertaining delirium. Lower panel: A cohort prospectively tracking cognition before, during and after acute illnessBack to article page