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Table 3 Antimicrobials received in the ICU within the seven days prior to VAP onset

From: Impact of ureido/carboxypenicillin resistance on the prognosis of ventilator-associated pneumonia due to Pseudomonas aeruginosa

Antimicrobials PSPA-VAP
(n= 153)
PRPA-VAP
(n= 70)
P-value
Penicillin 63 (41) 21 (30) 0.27
Cephalosporins 1, 2 or 3 46 (30) 22 (31) 0.99
Ceftazidime 7 (5) 3 (4) 0.99
Cephalosporins 4 (cefepim, cefpirome) 4 (3) 5 (7) 0.19
Piperacillin-Tazobactam 14 (9) 13 (19) 0.01
Ureidopenicillin - carboxypenicillin 20 (13) 22 (31) 0.0004
Tazobactam, sulbactam or Clavulanic acid 56 (37) 26 (37.1) 0.41
Penems 11 (7) 6 (8.6) 0.92
Fluoroquinolones 20 (13) 17 (24.3) 0.058
Aminoglycosides 38 (25) 21 (30) 0.24
Azoles 16 (10) 13 (19) 0.14
Glycopeptides 24 (16) 14 (20) 0.42
Other 14 (9) 8 (11) 0.99
At least one antimicrobial 101 (66) 44 (63) 0.60
  1. Data are the numbers (%).