Fig. 1From: Heterogeneity in the definition of delirium in ICUs and association with the intervention effect in randomized controlled trials: a meta-epidemiological studyDefinition of delirium in included RCTs (n = 149). Legends: RCT = randomized controlled trial; DSM = diagnostic and statistical manual of mental disorders; CAM-ICU = Confusion Assessment Method for the Intensive Care Unit; ICDSC = Intensive Care Delirium Screening Checklist; DRS-R98 = Delirium Rating Scale Revised-98Back to article page