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Table 1 Rates of antimicrobial resistance in Gram-negative bacilli responsible for hospital-acquired infections

From: Mechanisms of antimicrobial resistance in Gram-negative bacilli

Study/surveillance network INICC [3] SENTRY [9] ANSRPRG [8] EARS-NET [5]
Geographic area International (36 countries) International (Europe/USA) International (Asia) International (Europe)
Study years 2004–2009 2009–2011 2008–2009 2013
Setting ICU ICU ICU/non-ICU ICU/non-ICU
Type of hospital-acquired infections Catheter-related infections and ventilator-associated pneumonia All (pooled) Pneumonia Bloodstream infections
Species/antimicrobial
 Escherichia coli
  Fluoroquinolones 53% 30% 11–52%
  3GC 67% 13% 5–40%
  Carbapenems 4% <1% 0–3%
 Klebsiella pneumoniae
  Fluoroquinolones 17% 31% 0–70%
  3GC 72% 19% 43% 0–70%
  Carbapenems 7% 4% 2% 0–59%
 Pseudomonas aeruginosa
  Fluoroquinolones 45% 30% 30% 0–53%
  Aminoglycosides 28% 17%a 0–51%
  Piperacillin–tazobactam 39% 32% 37% 0–55%
  Ceftazidime 27% 35% 0–44%
  Carbapenems 45% 30%b 30% 3–60%
 Acinetobacter baumannii
  Ceftazidime 63%
  Carbapenems 63% 57%b 67% 0–90%
  1. ICU intensive care unit, 3GC third-generation cephalosporins.
  2. aIndicator: gentamicin.
  3. bIndicator: meropenem.