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Table 4 Resistance rate of gram negative isolates to commonly used antibiotics in Gondar, 2012

From: Isolation and characterization of multiple drug resistance bacterial pathogens from waste water in hospital and non-hospital environments, Northwest Ethiopia

Bacterial isolates Antibiotic resistance N (%)
GN SXT TTC CAF CIP NA S AMP CRO KF CTX K
E. coli (n = 13) 1 (8) 5 (38) 5 (38) 1 (8) 3 (23) 4 (31) 1 (8) 13 (100) 2 (15) 3 (23) 3 (23) 2 (15)
Klebsiella spp (n = 30) 6 (20) 10 (33) 8 (27) 4 (13) 5 (17) 7 (23) 9 (30) 30 (100) 8 (27) 12 (40) 10 (33) 6 (20)
Pseudomonas aeruginosa (n = 19) 1 (5) 11 (58) 10 (53) 7 (37) 1 (5) 10 (53) 3 (16) 18 (95) 3 (16) 16 (84) 11 (58) 6 (32)
Shigella spp. (n = 2) - - - - - 1 (50) - 1 (50) 1 (50) 2 (100) 2 (100) -
Citrobacter spp (n = 13) 2 (15) 4 (31) 5 (38) 3 (23) - 5 (38) 5 (38) 13 (100) 1 (8) 4 (31) 1 (8) 2 (15)
Enterobacter spp (n = 7) 1 (14) 3 (43) 4 (57) 1 (14) 1 (14) 2 (29) 2 (29) 7 (100) 1 (14) 3 (43) 1 (14) 1 (14)
Other G-ve (n = 11) 2 (18) 3 (27) 3 (27) 1 (9) 1 (9) 5 (46) 3 (27) 10 (91) 3 (27) 7 (64) 3 (27) 3 (27)
Total (n = 95) 13 (14) 36 (38) 35 (37) 17 (18) 11 (12) 34 (36) 23 (24) 92 (97) 19 (20) 47 (49) 31 (33) 20 (21)
  1. GN = Gentamycin; SXT = Cotrimoxazole; TTC = Tetracycline; CAF = Chloramphinicol; CIP = Ciprofloxacin, NA = Naldixic acid; S = Streptomycin; AMP = Ampicillin; CRO = Ceftriaxone; KF = Cephalothin; CTX = Cefotaxime; K = Kanamycin.