Table 6 Antibiotic resistance pattern of Shiga toxigenic Escherichia coli strains isolated from various types of hospital food samples

Tetracycline

4 (100)

4 (100)

2 (66.66)

1 (100)

1 (100)

2 (66.66)

14 (87.50)

Ampicillin

4 (100)

4 (100)

3 (100)

1 (100)

1 (100)

2 (66.66)

15 (93.75)

Gentamycin

4 (100)

4 (100)

2 (66.66)

1 (100)

1 (100)

3 (100)

15 (93.75)

Amikacin

2 (50)

3 (75)

2 (66.66)

1 (100)

1 (100)

3 (100)

12 (75)

Imipenem

-

-

-

1 (100)

-

1 (33.33)

2 (12.5)

Meropenem

-

-

-

-

-

1 (33.33)

1 (6.25)

Mezlocillin

-

-

1 (33.33)

1 (100)

1 (100)

1 (33.33)

4 (25)

Sulfamethoxazole

1 (25)

3 (75)

1 (33.33)

1 (100)

1 (100)

2 (66.66)

9 (56.25)

Cefotaxime

-

-

-

1 (100)

-

2 (66.66)

3 (18.75)

Ciprofloxacin

2 (50)

3 (75)

3 (100)

1 (100)

1 (100)

3 (100)

13 (81.25)

Enrofloxacin

2 (50)

4 (100)

-

-

-

1 (33.33)

7 (43.75)

Cotrimoxazole

-

-

2 (66.66)

1 (100)

1 (100)

2 (66.66)

6 (37.50)

Ceftazidime

-

-

1 (33.33)

1 (100)

1 (100)

2 (66.66)

5 (31.25)

Trimethoprim

1 (25)

2 (50)

2 (66.66)

1 (100)

1 (100)

1 (33.33)

8 (50)

Cefipime

-

-

2 (66.66)

1 (100)

1 (100)

2 (66.66)

6 (37.50)

Levofloxacillin

-

-

2 (66.66)

1 (100)

1 (100)

3 (100)

7 (43.75)

Streptomycin

1 (25)

2 (50)

-

-

-

-

3 (18.75)

Vancomycine

-

-

1 (33.33)

1 (100)

1 (100)

2 (66.66)

5 (31.25)

Polymyxin B

-

-

1 (33.33)

1 (100)

1 (100)

1 (33.33)

4 (25)

Chloramphenicol

1 (25)

2 (50)

-

-

-

-

3 (18.75)