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Table 2 Distribution of antibiotics resistance among Enterobacteriaceae isolates, Addis Ababa, Ethiopia between Jan to May 2017

From: Extended-spectrum beta-lactamase production and multi-drug resistance among Enterobacteriaceae isolated in Addis Ababa, Ethiopia

Isolates (number) Distribution of antibiotics resistance among Enterobacteriaceae isolates (n (%))
CTX CAZ CFP FOX MER SXT CPR GEN AMK AMC NORa
N/Total
E. coli (n = 228) 125 (54.8) 121 (53.1) 122 (53.5) 50 (21.9) 8 (3.5) 177 (77.6) 146 (64.0) 76 (33.3) 27 (11.8) 160 (70.0) 121/188 (64.3)
K. pneumoniae (n = 103) 89 (86.4) 88 (85.4) 88 (85.4) 24 (23.3) 11 (10.7) 89 (86.4) 52 (50.5) 72 (70.0) 22 (21.3) 87 (85.4) 18/32 (56.2)
E. cloacae (n = 22) 12 (54.5) 11 (50.0) 12 (54.5) 14 (63.6) 0 (0.0) 14 (63.6) 9 (40.9) 9 (40.9) 0 (0.0) 16 (72.7) 3/11 (27.3)
C. diversus (n = 19) 12 (63.2) 12 (63.2) 12 (63.2) 5 (26.3) 1 (5.3) 15 (78.9) 12 (63.2) 10 (52.6) 0 (0.0) 13 (68.4) 6/6 (100)
K. oxytoca (n = 15) 8 (53.3) 8 (53.3) 7 (46.7) 2 (13.3) 1 (6.7) 9 (60.0) 5 (33.3) 5 (33.3) 1 (6.7) 8 (53.3) 3/7 (42.8)
K. ozaenae (n = 13) 7 (53.8) 7 53.8) 6 (46.2) 2 (15.4) 0 (0.0) 8 (61.5) 6 (46.2) 5 (38.5) 0 (0.0) 8 (61.5) 0/5 (0.0)
Citrobacter. spps (n = 10) 5 (50.0) 5 (50.0) 5 (50.0) 7 (70.0) 1 (10) 7 (70.0) 5 (50.0) 3 (30.0) 0 (0.0) 5 (50.0) 5/7 (71.4)
Providencia spps (n = 7) 3 (42.8) 3 (42.8) 3 (42.8) 2 (28.6) 0 (0.0) 3 (42.8) 2 (28.6) 1 (14.3) 0 (0.0) 4 (57.1) 2/4 (50.0)
P. mirabilis (n = 5) 1 (20) 1 (20) 1 (20) 0 (0.0) 0 (0.0) 3 (60) 2 (40) 1 (20) 0 (0.0) 0 (0.0) 0/1 (0)
M. morganii (n = 2) 2 (100) 2 (100) 2 (100) 1 (50) 0 (0) 2 (100) 1 (50) 1 (50) 0 (0) 2 (100) 0 (0)
E. aerogens (n = 2) 1 (50) 1 (50) 1 (50) 0 (0) 0 (0) 1 (50) 0 (50) 1 (50) 0 (0) 1 (50) 0/2 (0)
Total Resistance (N = 426) 265 (62.2) 257 (60.8) 259 (60.3) 107 (25.1) 22 (5.2) 324 (77.0) 240 (46.3) 185 (43.4) 59 (13.8) 305 (71.6) 160/272 (58.8)
  1. Abbreviations: CTX cefotaxime, CAZ ceftazidime, FOX cefoxitin, CFP cefepime, MER meropenem, CPR ciprofloxacin, NOR norfloxacin, SXT sulfamethoxazole-trimethoprim, GEN gentamycin, AMK amikacin, AMC amoxicillin with calvulanic acid
  2. aNorfloxacin antibiotics disks were used for isolates from urine specimen
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