Table 4

Resistance prevalence for selected drug-bug pairs by patient type, U.S. 1999–2002

unit: %

Pair
Bacterium (resistant to) → drug
ICU patients
non-ICU inpatients
Outpatients

A
PAE → Ciprofloxacin/ofloxacin
32
25
23
B
PAE → Levofloxacin
37
28
25
C
PAE → Imipenem
18
12
9
D
PAE → Ceftazidime
13
8
5
E
PAE → Piperacillin
16
11
6
F
SAU → Methicillin
47
38
23
G
Enterococcus spp → Vancomycin
13
11
4
H
ECO → Cef3*
1
1
0
I
ECO → Quinolone**
5
4
2
J
KPN → Cef3
6
5
2
K
Enterobacter spp → Cef3
26
21
10
L
Enterobacter spp → Carbapenum
1
1
1
M
CNS → Methicillin
75
63
46
N
Pneumococcus → Penicillin
18
17
17
O
Pneumococcus → Cef3
7
8
6

Mean
21
17
12

*Cef3 (3rd generation cephalosporin) = ceftazidime, cefotaxime or ceftriaxone;

**Quinolone = ciprofloxacin, ofloxacin or levofloxacin.

Zhang et al. Globalization and Health 2006 2:6   doi:10.1186/1744-8603-2-6