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Table 3 Bacterial species isolated and rate of occurrence of resistance to selected antimicrobials

From: Antimicrobial susceptibility profile of selected Enterobacteriaceae in wastewater samples from health facilities, abattoir, downstream rivers and a WWTP in Addis Ababa, Ethiopia

Species of bacteria No. tested Number and (%) resistant to antimicrobials tested
Amc Cip Gm S Sxt Trm Te Amp Cf Fox Cro Su
Escherichia coli 18 15 (83.3) 5 (27.8) 7 (38.9) 13 (72.2) 18 (100) 18 (100) 10 (55.6) 5 (27.8) 6 (33.3)
Salmonella spp. 12 3 (25) 3 (25) 1 (8.3) 1 (8.3) 7 (58.3) 12 (100) 12 (100) 7 (58.3) 0 2 (16.7)
klebsiella pneumoniae 8 5 (62.5) 1 (12.5) 2 (12.5) 2 (25) 3 (37.5) ND ND 4 (50) 2 (25) 3 (37.5)
Klebsiella oxytoca 3 3 (100) ND ND
Enterobacter cloacae 6 5 (83.3) 3 (50) 1 (16.7) 1 (16.7) 2 (33.3) 1 (16.7) 3 (50) 6 (100) 6 (100) 5 (83.3) 2 (33.3) 3 (50)
Enterobacter aerogenes 3 1 (33.3) 3 (100) 3 (100) 2 (66.7) 1 (33.3) 0
Citrobacter spp. 4 4 (100) 3 (75) 2 (50) 2 (50) 2 (50) 2 (50) 4 (100) 4 (100) 4 (100) 3 (75) 3 (75) 3 (75)
  1. Amc amoxicillin+ clavulanic acid, Cip ciprofloxacin, Gm gentamicin, Sxt sulfamethoxazole + trimethoprim, Trm trimethoprim, Te tetracycline, Amp ampicillin, Cf cephalothin, Fox cefoxitin, Cro ceftriaxone, Su sulfisoxazole, ND not done