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Fig. 1 | BMC Medical Research Methodology

Fig. 1

From: Harmonization of delirium severity instruments: a comparison of the DRS-R-98, MDAS, and CAM-S using item response theory

Fig. 1

Map of instrument items, interview and rater assessments. In addition to formal interview questions, observational evidence was used to rate all domains. Orientation was assessed by questions regarding orientation to time and place. Sleep was assessed with a series of 6 questions about sleep quality in the last 24 h. The DSI (Delirium Symptom Interview) asked seven questions about distorted perceptions over the past 24 h. * Asterisked cognitive items are from the Montreal Cognitive Assessment (MoCA [23])

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BMC Medical Research Methodology

ISSN: 1471-2288

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