Table 4 Resistance prevalence for selected drug-bug pairs by patient type, U.S. 1999–2002

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