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Table 1 Baseline patient characteristics

From: Safety and effectiveness of colistin compared with tobramycin for multi-drug resistant Acinetobacter baumannii infections

  Colistin (n = 32) Tobramycin (n = 32) P value
Number of patients with chronic diseases at the time of admission (%) 9 (28) 12 (37.5) 0.65
Median duration of treatment (IQR) 8 (5 to 13) 7 (6 to 10) 0.72
Mean age in years (± SD) 43.5 (± 15.6) 45.6 (± 18.2) 0.69‡
Mean APACHE score at ICU admission (± SD) 14.4* (± 5.1) 14.8** (± 5.4) 0.77‡
Dialysis at baseline (%) 3 (9.4) 5 (15.6) 0.60†
Median baseline creatinine (IQR) umol/L 76 (53 to 128) 56 (45 to 91) 0.08
Site of A. baumannii infection:    
   Bloodstream infection 10 (31%) 10 (31%) 1.00▫
   Sputum/tracheal aspirate 22 (72%) 28 (88%) 0.13†
   Wound pus swab 6 (18.8%) 11 (34.4%) 0.75▫
   Cerebrospinal fluid 1 (3.1%) 0 NA
   Central venous catheter tip 10 (31%) 9 (28%) 0.44▫
   Urine 5 (15.6%) 4 (12.5%) 1.00†
  1. *data available for 25 participants **data available for 21 participants † Fisher's Exact Test ‡ Two sample t- test • Wilcoxon rank sum test ▫ Two sample test of proportion