Table 7.

Sources of E. coli and K. pneumoniae producing ESBLs or showing resistance to carbapenems.

	Total (n)	E. coli CR n = 14 N (%)	K. pneumoniae CR n = 21 N (%)	K. pneumoniae ESBL n = 118 N (%)	E. coli ESBL n = 35 N (%)	P value
Bile	2	0 (0.0)	0 (0.0)	1 (0.8)	1 (2.9)	0.683
Urine	84	6 (42.9)	7 (33.3)	61 (51.7)	10 (28.6)	0.068
Wound	41	4 (28.6)	2 (9.5)	29 (24.6)	6 (19.7)	0.360
Fluid	12	0 (0.0)	2 (9.5)	9 (7.6)	1 (2.9)	0.506
Sputum	3	0 (0.0)	1 (4.8)	1 (0.8)	1 (2.9)	0.504
Endotracheal aspirate	11	2 (14.3)	5 (23.8)	1 (0.8)	3 (8.6)	< 0.001*
Tissue	13	0 (0.0)	2 (9.5)	6 (5.1)	5 (14.3)	0.185
Blood	14	2 (14.3)	1 (4.8)	3 (2.5)	8 (22.9)	0.001*
Rectal	8	1 (7.1)	1 (4.8)	6 (5.1)	0 (0.0)	0.849

*Significant differences are marked with an asterisk.