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Table 7 Antibiotic resistance rate of Gram-negative isolates

From: Prevalence and characterization of antimicrobial resistance among gram-negative bacteria isolated from febrile hospitalized patients in central Ethiopia

Bacterial species Ampicillin Ampicillin/ sulbactam Piperacillin Piperacillin/ tazobactam Cefotaxime Ceftazidime Cefepime Meropenem Amikacin Gentamicin Ciprofloxacin
Escherichia coli (n = 13) 92.3% (12/13) 92.3% (12/13) 92.3% (12/13) 69.2% (9/13) 84.6% (11/13) 84.6% (11/13) 84.6% (11/13) 0% (0/13) 0% (0/13) 53.8% (7/13) 23.1% (3/13)
Klebsiella pneumoniae (n = 6) 100% (6/6) 100% (6/6) 100% (6/6) 50.0% (3/6) 100% (6/6) 100% (6/6) 100% (6/6) 16.7% (1/6) 16.7% (1/6) 83.3% (5/6) 50.0% (3/6)
Pseudomonas aeruginosa (n = 4) - - 50.0% (2/4) 0% (0/4) 100% (4/4) 50.0% (2/4) 50.0% (2/4) 0% (0/4) 0% (0/4) 25.0% (1/4) 75.0% (3/4)
Other (n = 4) 75.0% (3/4) 75.0% (3/4) 75.0% (3/4) 25.0% (1/4) 75.0% (3/4) 25.0% (1/4) 25.0% (1/4) 25.0% (1/4) 0% (0/4) 50.0% (2/4) 75.0% (3/4)
Total (n = 27) 91.3% (21/23) 91.3% (21/23) 85.2% (23/27) 48.1% (13/27) 88.9% (24/27) 74.1% (20/27) 74.1% (20/27) 7.4% (2/27) 3.7% (1/27) 63.0% (17/27) 70.4% (19/27)
  1. Others: Raoultella ornithinolytica (n = 1); Raoultella planticola (n = 1); Salmonella Typhi (n = 1); Acinetobacter baumannii (n = 1)