Table 6 Distribution of ESBL and carbapenemase producing isolates from the three Referral Hospitals of Amhara region, Ethiopia; 2017–2018

University of Gondar Comprehensive Specialized Hospital

Klebsiella spp.

12 (9.7)

8 (6.5)

20 (16.1)

2 (3.9)

9 (17.7)

11 (21.6)

E. coli

7 (5.7)

6 (4.8)

13 (10.5)

–

7 (13.7)

7 (13.7)

Citrobacter spp

4 (3.2)

6 (4.8)

10 (8.1)

1 (2.0)

2 (3.9)

3 (5.9)–

P. aeruginosa

1 (0.8)

2 (1.6)

3 (3.4)

–

–

–

Proteus spp.

4 (3.2)

1 (0.8)

5 (4.0)

–

2 (3.9)

2 (3.9)

Enterobacter spp.

3 (3.4)

3 (3.4)

6 (4.8)

–

1 (2.0)

1 (2.0)

Providencia spp.

1 (0.8)

1 (0.8)

2 (1.6)

–

–

–

Total

32 (25.8)

27 (21.8)

59 (47.6)

3 (5.9)

21 (41.2)

24 (41.1)

Dessie Referral Hospital

Klebsiella spp.

5 (4.0)

4 (3.2)

9 (7.3)

–

3 (5.9)

3 (5.9)

E. coli

10 (8.1)

15 (12.1)

25 (20.2)

1 (2.0)

10 (19.6)

11 (21.6)

Citrobacter spp

2 (1.6)

–

2 (1.6)

–

2 (3.9)

2 (3.9)

P. aeruginosa

–

1 (0.8)

1 (0.8)

–

–

–

Proteus spp.

4 (3.2)

3 (3.4)

7 (5.6)

–

3 (5.9)

3 (5.9)

Salmonella spp.

1 (0.8)

–

1 (0.8)

–

–

–

Morganella spp

1 (0.8)

–

1 (0.8)

–

–

–

Providencia spp.

1 (0.8)

–

1 (0.8)

–

–

–

Total

24 (19.4)

23 (18.5)

47 (37.9)

1 (2.0)

18 (35.3)

19 (37.3)

Debre Markos Referral Hospital

Klebsiella spp.

2 (1.6)

3 (3.4)

5 (4.0)

1 (2.0)

1 (2.0)

2 (3.9)

E. coli

–

1 (0.8)

1 (0.8)

–

–

–

P. aeruginosa

2 (1.6)

–

2 (1.6)

–

–

–

Enterobacter spp.

5 (4.0)

1 (0.8)

6 (4.8)

3 (5.9)

2 (3.9)

5 (9.8)

Salmonella spp.

1 (0.8)

–

1 (0.8)

–

1 (2.0)

1 (2.0)

Providencia spp.

3 (3.4)

–

3 (3.4)

–

–

–

Total

13 (10.5)

5 (4.0)

18 (14.5)

4 (7.8)

4 (7.8)

8 (15.7)

Total

69 (55.6)

55 (44.4)

124 (100)

8 (15.7)

43 (84.3)

51 (100)