Table 5

Resistance prevalence of eight common bacteria, U.S. (all patients pooled), 1999–2002

unit: %

Bacterium
Resistant to antibiotic(s)

1999
2000
2001
2002
Average Resistance
Average Growth Rate

PAE
Ciprofloxacin/ofloxacin

23
25
28
29
26
8

Levofloxacin

29
30
31
30
30
1

Imipenem

12
12
15
13
13
4

Ceftazidime

8
8
9
9
9
4

Piperacillin

10
10
11
12
11
6
SAU (MRSA)
Methicillin

32
35
38
39
36
7
Enterococcus spp
Vancomycin

11
8
10
10
10
-1
ECO
Cef3

1
1
1
1
1
0

Quinolone

2
3
4
5
4
36
KPN
Cef3

4
4
4
5
4
8
Enterobacter spp
Cef3

19
19
18
19
19
0

Carbapenum

1
1
1
1
1
0
CNS
Methicillin

60
61
62
63
62
2
Pneumococcus spp
Penicillin

14
16
19
19
17
11

Cef3

5
8
7
7
7
16


Mean:




17
7

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