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Table 4 In vitro susceptibilities of blood culture isolates from hospitalized patients in the United States in 2002 to antimicrobial combinations of a β-lactam or ciprofloxacin plus gentamicin or vancomycin

From: Prevalence and antimicrobial susceptibilities of bacteria isolated from blood cultures of hospitalized patients in the United States in 2002

Antimicrobial Combination

Total no. of isolates tested against one or both of the antimicrobials in the combination

% of isolates susceptible to at least one antimicrobial in the combination

Ceftriaxone + gentamicin

53,648

75.5

Ceftazidime + gentamicin

50,238

76.0

Cefepime + gentamicin

50,489

76.1

Piperacillin-tazobactam + gentamicin

50,415

76.3

Ciprofloxacin + gentamicin

55,973

74.8

Ceftriaxone + vancomycin

62,907

93.5

Ceftazidime + vancomycin

62,518

95.4

Cefepime + vancomycin

59,807

96.6

Piperacillin-tazobactam + vancomycin

61,265

96.3

Ciprofloxacin + vancomycin

64,467

94.1