Table 1.

Characteristics of patients with (n = 23) and without (n = 23) delirium during intensive care unit (ICU) stay

	Whole group (n = 46)	Delirium (n = 23)	No delirium (n = 23)	P-value
Age (years)	73 [64–80]	74 [71–81]	71 [58–80]	0.281
Male (%)	65	70	61	0.500
APACHE-II score	18 [14–20]	18 [15–23]	16 [12–20]	0.165
SAPS-II score	41 [35–54]	42 [37–55]	40 [29–54]	0.222
Mortality (n (%))	11 (24)	6 (26)	5 (22)	0.500
Ventilated (n (%))	41 (89)	21 (91)	20 (87)	0.500
Days on ventilator	5 [2–8]	6 [4–25]	4 [1–6]	0.013
LOS-ICU (days)	6 [4–11]	9 [6–26]	5 [3–8]	0.002
LOS-hospital	22 [14–37]	29 [21–41]	19 [7–30]	0.013

Values are expressed as median and interquartile range [P₂₅–P₇₅]

APACHE Acute Physiology, Age and Chronic Health Evaluation; SAPS Simplified Acute Physiology Score; LOS length of stay