Table 1.

Main clinical and demographic characteristics of the study participants(N = 153).

Variables	Total sample (n = 153)
ICDSC a
Delirium	40 (26.1)
No delirium	113(73.9)
Age (years) b	53 ± 19.6 (18-78)
Gender a
Male	98 (64.1)
Female	55 (35.9)
Diagnosis a
Medical	88 (57.5)
Surgical	65 (42.5)
Emergency surgery or trauma a
No	135 (88.2)
Yes	18 (11.8)
Comorbidity a
None	12 (7.8)
One diseases	39 (25.5)
Two diseases	30 (19.6)
Three diseases	71 (46.4)
Six diseases	1 (0.7)
Sepsis a
No	140 (91.5)
Yes	13 (8.5)
Vasopressor use a
No drug	57 (37.3)
One drug	79 (51.6)
Three drug	11 (7.2)
Four drugs	6 (3.9)
Ventilator use a
No	44 (28.8)
Yes	109 (71.2)
Sedation a
No drug	50 (32.7)
One drug	45 (29.4)
Two drugs	58 (37.9)
Metabolic acidosis a
No	88 (57.5)
Yes	65 (42.5)
Bladder catheter use a
No	20 (13.2)
Yes	133 (86.9)
Nasogastric tube use a
No	104 (68)
Yes	49 (32)
APACHEII (points) b	18 ± 5.6 (7–28)
SOFA (points) b	8 ± 3.2 (0–14)
SAPS II (points) b	48 ± 14.7 (22–85)
Bilirubin (mmol/L) b	20 ± 20 (3–86)
Creatinine (mmol/L) b	159 ± 158 (37–872)
Sodium (mEq/L) b	137 ± 8 (117–159)
ICU length of stay (days) b	6 ± 8 (2–51)

A, number (percentage). b, mean ± standard deviation (range).