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Table 3 Level of antibiotic resistant of Enterobacteriaceae identified from different sampling units of selected governmental hospitals, Addis Ababa, Ethiopia from April 1 to May 31, 2020

From: Occurrence and anti-microbial susceptibility pattern of extended spectrum beta-lactamase producing Enterobacteriaceae in governmental hospitals wastewater in Addis Ababa, Ethiopia

Isolates (number)

Level of antibiotics resistant n (%)

Total MDR-E (≥ R3)

R0

R1

R2

R3

R4

R5

R6

R7

E. coli (67)

6 (9)

8 (11.9)

11 (16.4)

8 (11.9)

4 (6)

7 (10.4)

8 (11.9)

5 (7.5)

42 (62.7)

K. rhinoscler (8)

1 (12.5)

0

1 (12.5)

2 (25)

0

0

1 (12.5)

2 (25)

5 (62.5)

K. pneumonia (15)

6 (40)

1 (6.7)

0

0

0

1 (6.7)

2 (13.3)

5 (33.3)

8 (53.3)

Citrobacter spp. (12)

0

0

2 (16.7)

2 (16.7)

2 (16.7)

2 (16.7)

1 (8.3)

1 (8.3)

10 (83.3)

Sallmonella spp. (3)

0

1 (33.3)

0

0

0

0

0

2 (66.7)

2 (66.7)

E. cloacae (14)

2 (14.3)

0

3 (21.4)

1 (7.1)

0

0

1 (7.1)

1 (7.1)

9 (64.3)

K. oxytoca (7)

4 (57.1)

0

0

0

0

1 (14.3)

0

1 (14.3)

3 (42.9)

K. ozanae (8)

2 (25)

0

1 (12.5)

0

0

1 (12.5)

2 (25)

0

5 (62.5)

M. morganii (4)

1 (25)

0

0

0

0

0

1 (25)

2 (50)

3 (75)

Other isolates (9)

0

0

3 (33.3)

1 (11.1)

1 (11.1)

2 (22.2)

0

0

6 (66.7)

Total (N = 147)

22 (15)

10 (6.8)

21 (14.3)

14 (9.5)

7 (4.8)

14 (9.5)

16 (10.9)

19 (12.9)

94 (64)

  1. R0: resistant to no antibiotics, R1–7: resistant to 1, 2, 3, 4, 5, 6, 17 antibiotics and ≥ R3 stands for resistance to 3 or more antibiotics from different classes,MDR-E stands for multi-drug resistant Enterobacteriaceae *Other isolates were Proteus spp., Shigella spp., Ent. aerogens, Edwardsella, and P. alkalifacience