|Table 1: Baseline clinical and demographic characteristics of patients in the short and prolonged delirium group.|
|Data are presented as mean ± SD or (%) unless otherwise indicated.|
*Continuous variables, °dichotomous variables.
OR: odds ratio, the chance of developing prolonged delirium, CI: confidence interval.
APACHE II: Acute Physiological and Chronic Health Evaluation II.
IQCODE-N: Informant Questionnaire on Cognitive Decline in the Elderly, >3.6 indicates preexistent cognitive decline.
DRS-R-98: Delirium Rating Scale Revised-98.
Range 0 (severe cognitive impairment) to 30 (no cognitive impairment).
§Range 0 (no acute health problems) to 70 (severe acute health problems).
△Range 0 (severe disability) to 20 (no disability).
≈Range 8 (no disability) to 31 (severe disability).
†Range 0 (depression not likely) to 15 (depression very likely).
¥Range 0 (no delirium symptoms) to 39 (maximum severity).