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Table 4 Hospital mortality relative to initial antimicrobial adequacy

From: Early use of imipenem/cilastatin and vancomycin followed by de-escalation versus conventional antimicrobials without de-escalation for patients with hospital-acquired pneumonia in a medical ICU: a randomized clinical trial

Adequacy No. of deaths/episodes (%) P
Overall (n = 54)   0.304
   Inadequate 6/20 (30%)  
   Adequate 15/34 (44.1%)  
Gram-positive organism (n = 35)   0.476
   Inadequate 4/12 (33.3%)  
   Adequate 12/23 (52.2%)  
Gram-negative bacilli (n = 28)   0.639
   Inadequate 1/7 (14.3%)  
   Adequate 6/21 (28.6%)  
  1. Excluding culture-negative patients.