Table 1.

Characteristics of the study population

	All	Thoracic	Abdominal	Obesity	Hepatic	Urological	Other
N. of patients	102	27	27	20	11	7	10
Age (years)	62 ± 17	67 ± 8	69 ± 17	40 ± 9	58 ± 18	64 ± 14	69 ± 17
Surgery (min)	178 ± 95	166 ± 64	200 ± 111	121 ± 38	267 ± 106	297 ± 80	146 ± 103
Unscheduled (n)	5	-	2	-	-	-	3
APACHE II score	8.4 ± 4	9.1 ± 3	9.7 ± 4	4.7 ± 2	8.4 ± 5	9.0 ± 3	9.3 ± 4
EA activity	0,3 ± 0.3	0.4 ± 0.2	0.3 ± 0.2	0.4 ± 0.2	0.3 ± 0.3	0.3 ± 0.3	0.4 ± 0.1
LOS ICU (days)	1 (1 to 2)	1 (1 to 2)	1 (1 to 4.7)	1 (1 to 1)	1 (1 to 1)	1 (1 to 1)	1 (1 to 2)
Mortality ICU (n)	3	-	2	-	-	-	-
LOS hosp (days)	8 (5–11)	8.5 (6–13)	10 (7–16)	4 (4–5)	8.0 (6–10)	12 (9–13)	6.5 (5–10)
Mortality hosp (n)	1	1	-	-	-	-	-

Characteristics of the study population are shown. Intensive care unit (ICU) and hospital length of stay (LOS) are presented as median and interquartile ranges. Other data are presented as mean ± standard deviation.

APACHE = Acute Physiology and Chronic Health Evaluation; EA = endotoxin activity.