TABLE 2.

Patient characteristics^a

Parameter	Value for group			P value
	All patients (n = 155)	Patients without ESBL-PE (n = 124)	Patients with ESBL-PE (n = 31)
Demographic characteristics
Median patient age (yrs) (25th–75th percentiles)	64 (54–74)	65 (54–74)	61 (55–76)	0.90
No. of patients of sex (M/F)	105/50	82/42	23/8	0.39
Median simplified acute physiology score II (25th–75th percentiles)	32 (21–45)	31 (19–46)	36 (25–44)	0.22
No. (%) of patients with type of ICU admission
Medical	79 (50)	63 (50)	16 (52)	0.81
Surgical, urgent	35 (22)	27 (22)	8 (26)
Surgical, scheduled	41 (26)	34 (28)	7 (22)
No. (%) of patients with cause(s) of ICU admission
Sepsis, septic shock	49 (31)	39 (31)	10 (32)	0.06
Acute respiratory failure	13 (8)	7 (9)	4 (12)
Postoperative care	49 (32)	40 (32)	9 (29)
Hemorrhagic shock	33 (21)	26 (21)	7 (23)
Coma, epilepsy, neurological failure	6 (4)	36 (5)	0 (0)
Cardiogenic shock/cardiorespiratory arrest	5 (3)	4 (3)	1 (3)
No. (%) of patients with ESBL-PE colonization risk factor
Hospitalization for ≥48 h in the previous 12 mo	91 (58)	65 (52)	26 (84)	0.01
Antibiotic therapy in the previous 3 mo	58 (37)	43 (35)	15 (48)	0.16
Hospital stay of ≥5 days before ICU admission	55 (35)	40 (32)	15 (48)	0.09
Immunosuppression	27 (17)	23 (18)	4 (13)	0.46
Colonization with ESBL-PE in the previous 6 mo	21 (13)	10 (8)	11 (35)	<0.001
Life in an institution or nursing home	8 (5)	6 (5)	2 (6)	0.72
Travel in a zone where ESBL-PE are endemic in the previous 12 mo	8 (5)	6 (5)	2 (6)	0.72
Chronic renal replacement	4 (3)	0 (0)	4 (13)	<0.001
Recurrent urinary tract infections	1 (1)	1 (1)	0 (0)	0.61
Total no. of risk factors per patient (25th–75th percentiles)	2 (0–3)	1 (0–2)	3 (1–3.5)	0.01
Median length of stay (days) (25th–75th percentiles) in:
ICU	3 (2–5.5)	3 (2–5)	3 (2–6)	0.80
Hospital	12 (7–22)	12 (7–20)	11 (4–18)	0.37

^aM, male; F, female.