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Table 4 Correlation between previous antibiotic therapy and bacterial resistance displayed by Gram-negative bacteria

From: Epidemiology and outcomes of ventilator-associated pneumonia in northern Brazil: an analytical descriptive prospective cohort study

Antibiotic Patients with previous antibiotic therapy n (%) Bacteria resistance n (%) r ( P)*
Cefepime 12 (44.4) 7 (58.3) 0.8622 (0.0272)
Ceftriaxone 7 (25.9) 7 (100.0)  
Ciprofloxacin 7 (25.9) 5 (71.4)  
Imipenem 6 (22.2) 2 (33.3)  
Amikacin 2 (7.4) -  
Ceftazidime 1 (3.7) 1 (100.0)  
  1. * Spearman correlation.