TABLE 1

Isolate description and carbapenem susceptibilities^a

Patient	Isolate	Species	Date of first isolation^b	Source(s)	MIC (µg/ml) determined by Vitek 2		Imipenem disk diffusion (mm)	Pulsed- field group	Sequence group	Plasmid	Outcome
Patient	Isolate	Species	Date of first isolation^b	Source(s)	Imipenem	Ertapenem	Imipenem disk diffusion (mm)	Pulsed- field group	Sequence group	Plasmid	Outcome
1	Kox1015	Klebsiella oxytoca	8/31/2007	Blood, drain, BAL fluid	4	≥8	16	pfg-kox1	sg2	pUVA02	Died
	Kpn1016	Klebsiella pneumoniae	8/31/2007	Drain, sputum	≥16	≥8	16	pfg-kpn1	sg1	pUVA01	Died
2	Kpn1017	Klebsiella pneumoniae	10/05/2007	Blood, sputum, urine	8	4	17	pfg-kpn1	sg1	pUVA01	Died
3	Ecl1026	Enterobacter cloacae	11/30/2007	Sputum, urine	4	≥8	20	pfg-ecl3	sg1	pUVA01	Recovered
4	Ecl1027	Enterobacter cloacae	12/09/2007	Urine	2	4	19	pfg-ecl2	sg1	pUVA01	Recovered
5	Kox1028	Klebsiella oxytoca	1/15/2008	Blood, sputum	4	≥8	20	pfg-kox1	sg2	pUVA02	Died
6	Ecl1032	Enterobacter cloacae	1/24/2008	Blood, ascites fluid	≥16	≥8	14	pfg-ecl4	sg1	pUVA01	Recovered
7	Eco1036	Escherichia coli	2/7/2008	BAL fluid	≤1	1	19	n/a^c	sg3	pUVA03	Recovered
8	Ecl1034	Enterobacter cloacae	2/15/2008	Blood, sputum	2	≥8	18	pfg-ecl1	sg1	pUVA01	Died
9	Ecl1035	Enterobacter cloacae	2/20/2008	Blood, urine	4	≥8	18	pfg-ecl1	sg1	pUVA01	Died
10	Ecl1033	Enterobacter cloacae	2/20/2008	BAL fluid, sputum	2	≥8	17	pfg-ecl1	sg1	pUVA01	Recovered
11	Eas1043	Enterobacter asburiae	3/18/2008	BAL fluid, sputum, wound	4	4	19	n/a^c	sg1	pUVA01	Died
	Kpn1041	Klebsiella pneumoniae	4/8/2008	Blood, sputum	2	≥8	21	pfg-kpn2	sg1	pUVA01	Died
12	Cfr1047	Citrobacter freundii	3/21/2008	Urine	≤1	4	19	n/a^c	sg1	pUVA01	Died
13	Kox1039	Klebsiella oxytoca	3/31/2008	Sputum, urine	4	≥8	20	pfg-kox1	sg2	pUVA02	Recovered
14	Kpn1042	Klebsiella pneumoniae	4/6/2008	Urine	≤1	≥8	18	pfg-kpn3	sg1	pUVA01	Recovered

↵a Boldface values indicate intermediate or resistant susceptibilities by MIC testing. Patients 1 and 2 have been described previously (12).
↵b Month/day/year.
↵c n/a, not applicable.