Table 1.

Demographic and rating scale scores in four diagnostic groups, mean±SD (range)

^a17 Alzheimer's, 7 vascular, 2 mixed, 3 dementia not otherwise specified (NOS), ^b18 depressive disorder, 1 bipolar disorder, 2 panic disorder, 2 generalized anxiety disorder, 2 adjustment disorder, 1 undifferentiated somatoform disorder, 1 alcohol dependence, ^†MMSE-K was assessed in 65 of the 69 delirium patients because of uncooperativeness, ^‡CGI-S score was calculated in 66 of the 69 delirium patients because of incomplete data. ^*Kruskal-Wallis Test, p=0.000 among groups, ^**One-way analysis of variance, p=0.000 among groups, ^***Kruskal-Wallis Test, p=0.009 among groups. DRS-R98-K: Korean version of Delirium Rating Scale-Revised-98, DRS-K: Korean version of Delirium Rating Scale, MMSE-K: Korean version of Mini Mental Status Examination, CGI-S: Clinical Global Impression-Severity