Table 3 Percentage of antimicrobial resistance of Pseudomonas aeruginosa isolates.

From: High frequency of the exoU+/exoS+ genotype associated with multidrug-resistant “high-risk clones” of Pseudomonas aeruginosa clinical isolates from Peruvian hospitals

Antimicrobial Agents

Total (n = 189)

exoU+/exoS+ (n = 43)

exoU−/exoS+ (n = 146)

P value

Cephalosporins

55.8

39.7

0.061364

   CAZ

44.2

37.0

0.394074

   FEP

55.8

39.0

0.050771

Monobactam

   ATM

69.8

38.4

0.000277

β-lactam + inhibitors

   PTZ

41.9

32.9

0.277429

Carbapenems

62.8

48.6

0,102388

   IMI

60.5

47.9

0.148927

   MER

62.8

41.8

0.015202

Aminoglycosides

69.8

41.8

0.001246

   GM

65.1

41.1

0.005514

   TO

34.9

41.1

0.464281

   AK

60.5

36.3

0.004749

Fluoroquinolones

81.4

50.0

0.000256

   CIP

76.7

43.8

0.000148

   LVX

81.4

45.2

0.000029

   OFX

81.4

49.3

0.000191

Polymyxins

0

0

—

   COL

0

0

—

PS

16.3

34.2

0.024049

   MR

7.0

22.6

0.021821

   MDR

20.9

8.2

0.019749

   XDR

55.8

34.9

0.013893

MDR + XDR

76.7

43.1

0.000108

  1. CAZ: Ceftazidime, FEP: Cefepime, ATM: Aztreonam, PTZ: Piperacillin/Tazobactam, IMI: Imipenem, MER: Meropenem, GM: Gentamicin, TO: Tobramicin, AK: Amikacin, CIP: Ciprofloxacin, LVX: Levofloxacin, OFX: Ofloxacin. PS: Pan-susceptible. MR: Moderately drug-resistant; MDR: Multi drug-resistant. XDR: Extensively drug-resistant. The significant differences are highlighted in bold.
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