Impact of a Premorbid Psychiatric Disorder on the Incidence of Delirium during ICU Stay, Morbidity, and Long-Term Mortality

Table 3

Secondary analysis: baseline characteristics.

	Delirium ()	Nondelirium ()	value
Age (years)	68 (61–76)	66 (56–74)	0.007
Male (%)	67	58	0.04
APACHE III score	75 (58–93)	60 (47–82)	<0.001
Predicted mortality (%)	20 (7–41)	11 (3–30)	<0.001
SOFA score	7 (6–9)	6 (4–8)	<0.001
Type of admission (%)
Elective surgery	40	34
Emergency surgery	25	27	0.33
Medical	35	39
Intoxications (%)
Smoking	14	12	0.58
Alcohol	8	7	0.86
Soft drugs	0.4	0.5	1
Hard drugs	0.4	0.5	1
Medication (number of drugs)	5 (2–8)	5 (2–8)	0.60
Psychoactive drugs (%)
Antipsychotics	3	4	0.46
Antidepressants	12	11	0.77
Sedatives	7	6	0.71
Hypnotics	9	12	0.53
Continuity psychoactive drugs (%)	()	()
No interruption	12	17
Restart within 4 days	15	23	0.17
Restart later than 4 days	15	4
No restart	58	56

Data are presented as median (IQR). APACHE: Acute Physiology and Chronic Health Evaluation; SOFA: Sequential Organ Failure Assessment.