Validation of a viable delirium detection test performed by nurses and physicians during routine patient care

BMC Geriatrics

Table 1 4AT parameters and scoring (https://www.the4at.com)

4AT parameters	evaluation	scoring
Alertness	drowsiness/sleepiness	normal or mild brief sleepiness 0 clearly abnormal 4
AMT4	age, date of birth, place, current year	no mistake 0 1 mistake 1 2 or more mistakes 2
Attention (MOYB)	ability to say the months of the year in backward order, starting with December	> 6 months 0 < 7 months 1 Untestable 2
Acute change in cognition	acute or fluctuating change in mental function	no0 yes4

AMT4– Abbreviated Mental Test; MOYB– Months Of the Year Backwards Test
Scoring key: acute (including fluctuating) change in cognition was considered mandatory for the diagnosis of delirium. Accordingly, a score > 4 in the presence of a new change in cognition was defined as delirium

ISSN: 1471-2318