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

From: Antibiotic resistance as a global threat: Evidence from China, Kuwait and the United States

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
  1. *Cef3 (3rd generation cephalosporin) = ceftazidime, cefotaxime or ceftriaxone;
  2. **Quinolone = ciprofloxacin, ofloxacin or levofloxacin.