TABLE 3.

Routes of CR-PA colonization of ICU patients

Patient	Yr of study	CS-PA clone	CR-PA clone	CR-PA phenotype (resistance pattern)	Previous carbapenem or fluoroquinolone therapy	Type of acquisition
1	2003	P	P	IR	Imipenem	Endogenous
2	2003	J	J	IR	Imipenem	Endogenous
3	2003	L	L	MR	Imipenem	Endogenous
4	2003	E	E	IR	Imipenem, ciprofloxacin	Endogenous
5	2003	K	K	MR	Imipenem, ciprofloxacin	Endogenous
6	2003	O	B	MR	Imipenem	Exogenous
7	2003	Not isolated	B	MR	Meropenem	Exogenous
8	2003	Not isolated	J	IR	Imipenem	Exogenous
9	2003	Not isolated	J	IR	Unknown	Exogenous
10	2003	C	H	MR	Imipenem	Indeterminate
11	2003	Not isolated	N	MR	Imipenem	Indeterminate
12	2003	Not isolated	D	IR	Imipenem	Indeterminate
13	2003	Not isolated	O	IR	Imipenem	Indeterminate
14	2003	Not isolated	Nontypeable	MR	None, ciprofloxacin	Not evaluated
15	2003	Not isolated	Nontypeable	MR	None	Not evaluated
16	2003	Not isolated	Nontypeable	MR	Unknown	Not evaluated
17	2003	Not isolated	Nontypeable	MR	Unknown	Not evaluated
18	2004	T	T	IR	Imipenem	Endogenous
19	2004	V	V	IR	Imipenem, levofloxacin	Endogenous
20	2004	Q	Q	IR	Imipenem	Endogenous
21	2004	R	R	IR	Imipenem	Endogenous
22	2004	A	A	IR	Imipenem	Endogenous
23	2004	U	J	IR	Imipenem	Exogenous
24	2004	S	B	MR	None	Exogenous
25	2004	Nontypeable	B	MR	None	Exogenous
26	2004	Not isolated	L	MR	None, ciprofloxacin	Exogenous
27	2004	Not isolated	B	MR	None	Exogenous
28	2004	Not isolated	Y	MR	None, ciprofloxacin	Indeterminate
29	2004	Not isolated	AA	MR	Imipenem, levofloxacin	Indeterminate
30	2004	Not isolated	Z	MR	Imipenem	Indeterminate