Extended-spectrum beta-lactamase − producing enterobacteriaceae in the intensive care unit: acquisition does not mean cross-transmission

Table 1 Demographic data

	Patients without positive ESBL-E sample	ESBL-E referred patients	ESBL-E acquired patients	p
Number	268	25	19
Age (years)	63 [51–75]	65 [59–76]	67 [49–78]	0.39 ^a 0.52 ^b
Sex ratio (M/F)	57	48	68	0.40 ^a 0.35 ^b
IGS 2	38 [27–51]	42 [33–47]	42 [36–51]	0.55 ^a 0.39 ^b
ICU Mortality (%)	19	16	15.7	1 ^a 1 ^b
Length of stay (days)	4 [3–6]	7 [6–9]	12 [8–23]	<0.005^a <0.005 ^b

(Age, IGS 2 and length of stay are expressed as medians, ^acomparison between ESBL-E imported patients and patients without positive ESBL-E cultures, ^bcomparison between ESBL-E acquired patients and patients without positive ESBL-E cultures)

ISSN: 1471-2334