Table 2.

Univariate comparisons between patients with and without delirium

Variable	Delirium (N = 57)	No delirium (N = 40)	P value
Age, years	66 (55–75)	63 (53–73)	0.48
Female gender, n (%)	17 (30)	16 (40)	0.38
Medical admission, n (%)	25 (44)	16 (40)	0.83
Sepsis, n (%)	45 (79)	29 (73)	0.48
APACHE II score, n	22 (17–28)	20 (17–24)	0.18
SOFA score, n	12 (10–14)	11 (8–12)	0.01
Midazolam, mg/kg*	3.0 (1.5–5.6)	1.2 (0.2–4.0)	0.02
Propofol, mg/kg*	125.6 (24.9–238.4)	94.4 (51.9–278.2)	0.90
Fentanyl, μg/kg*	109.2 (71.8–149.3)	80.2 (44.1–131.3)	0.09
Duration of coma, days	7 (4–10)	4 (1–6)	0.003
Duration of mechanical ventilation, days	10 (6–20)	6 (4–8)	0.003
ICU length of stay, days	14 (11–25)	10 (6–14)	0.001
90-day mortality, n (%)	3 (5)	4 (10)	0.44

Data are presented as median (25th–75th percentiles) or percentage (%)

*First 7 days cumulative dose received by continuous infusion