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Table 3 Multidrug resistance level of Enterobacteriaceae to different classes of antibiotics, 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)

Level of antibiotics resistance ((number (%))

Total MDR-E (>R3)

RO

R1

R2

R3

R4

R5

R6

R7

E.coli (228)

20 (8.8)

28 (12.3)

29 (12.7)

34 (14.9)

44 (19.3)

50 (21.9)

16 (7.0)

5 (2.2)

149 (65.3)

K.pneumoniae (103)

6 (5.8)

5 (4.8)

7 (6.8)

10 (9.7)

22 (21.3)

33 (32.0)

11 (10.7)

9 (8.7)

85 (82.5)

E.cloacae (22)

4 (18.2)

2 (9.1)

2 (9.1)

3 (13.6)

2 (9.1)

3 (13.6)

6 (27.3)

0 (0.0)

14 (63.6)

C.diversus (19)

3 (15.8)

2 (10.5)

1 (5.3)

1 (5.3)

3 (15.8)

5 (26.3)

3 (15.8)

1 (5.3)

13 (68.4)

K.oxytoca (15)

5 (33.3)

2 (13.3)

1 (6.7)

0 (0.0)

2 (13.3)

4 (26.7)

0 (0.0)

1 (6.7)

7 (46.6)

K.ozaenae (13)

1 (7.7)

3 (23.1)

1 (7.7)

2 (15.4)

5 (38.5)

1 (7.7)

0 (0.0)

0 (0.0)

8 (61.5)

Citrobacter. Spps(10)

3 (30.0)

0 (0.0)

0 (0.0)

3 (30.0)

0 (0.0)

2 (20.0)

1 (10.0)

1 (10.0)

7 (70)

Providencia Spps.(7)

3 (42.8)

0 (0.0)

1 (24.3)

0 (0.0)

2 (28.5)

1 (24.3)

0 (0.0)

0 (0.0)

3 (42.8)

P. mirabilis (5)

2 (40.0)

1 (20.0)

2 (20.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

M. morganii (2)

0 (0.0)

0 (0.0)

0 (0.0)

1 (50.0)

0 (0.0)

0 (0.0)

1 (50.0)

0 (0.0)

1 (50.0)

291 (68.3)

1 (50.0)

0 (0.0)

0 (0.0)

0 (0.0)

1 (50.0)

0 (0.0)

0 (0.0)

0 (0.0)

1 (50.0)

Total(N = 426)

48 (11.3)

43 (10.1)

43 (10.1)

54 (12.7)

81 (19.0)

101 (23.7)

38 (8.9)

17 (4.0)

291 (68.3)

  1. Abbreviations: R0 stands for resistance for zero antibiotics; R1 stands for resistance to one drug, R2 stands for resistance to two drugs and so on; and ≥ R3 stands for resistance to 3 or more antibiotics from different classes; MDR-E stands for multi-drug resistant Enterobacteriaceae