Table 6 Antimicrobial susceptibility profile of Gram-negative bacteria isolated from participants with ocular and periocular infections study participants with infections at Shashemene Comprehensive Specialized Hospital Eye Unit, September 1, 2018 to March 30, 2019 (N = 63)

N. gonorrhoeae

n = 6

S

ND

ND

6 (100%)

6 (100%)

ND

ND

6 (100%)

6 (100%)

I

ND

ND

–

–

ND

ND

–

–

R

ND

ND

–

–

ND

ND

–

–

N. meningitidis n = 4

S

ND

4 (100%)

4 (100%)

4 (100%)

ND

2 (50.0%)

ND

ND

I

ND

–

–

–

ND

2 (50.0%)

ND

ND

R

ND

–

–

–

ND

–

ND

ND

Moraxella spp.

n = 8

S

6 (75.0%)

4 (50.0%)

7 (87.8%)

7 (87.8%)

7 (87.8%)

7 (87.8%)

6 (75.0%)

3 (37.5%)

I

1 (12.5%)

2 (25.0%)

–

–

–

1 (12.5%)

1 (12.5%)

–

R

1 (12.5%)

2 (25.0%)

1 (12.5%)

1 (22.2%)

1 (22.2%)

–

1 (12.5%)

5 (62.7%)

Pseudomonas spp.

n = 3

S

3 (100%)

–

3 (100%)

3 (100%)

–

3 (100%)

–

ND

I

–

–

–

–

3 (100%)

–

–

ND

R

–

3 (100%)

–

–

–

–

3 (100%)

ND

H. influenzae

n = 6

S

3 (50.0%)

4 (66.6%)

6 (100%)

6 (100%)

ND

6 (100%)

4 (66.6%)

ND

I

3 (50.0%)

1 (16.7%)

–

–

ND

–

–

ND

R

–

1 (16.7%)

–

–

ND

–

2 (33.3%)

ND

E. coli

n = 17

S

9 (52.9%)

5 (29.4%)

17 (100%)

15 (88.2%)

17 (100%)

14 (82.4%)

1 (5.9%)

ND

I

6 (35.3%)

1 (5.9%)

–

1 (5.9%)

–

1 (5.9%)

2 (11.8%)

ND

R

2 (11.8%)

11 (64.7%)

–

1 (5.9%)

–

2 (11.8%)

14 (82.4%)

ND

K. pneumoniae

n = 9

S

6 (66.7%)

6 (66.7%)

9 (100%)

9 (100%)

9 (100%)

8 (88.9%)

2 (22.2%)

ND

I

1 (11.1%)

–

–

–

–

1 (11.1%)

1 (11.1%)

ND

R

2 (22.2%)

3 (33.3%)

–

–

–

–

6 (66.7%)

ND

P. mirabilis

n = 3

S

–

3 (100%)

3 (100%)

3 (100%)

3 (100%)

3 (100%)

3 (100%)

ND

I

–

–

–

–

–

–

–

ND

R

3 (100%)

–

–

–

–

–

–

ND

Citrobacter spp.

n = 7

S

6 (85.7%)

6 (85.7%)

7 (100%)

7 (100%)

6 (85.7%)

4 (57.1%)

7 (100%)

ND

I

–

–

–

–

–

2 (28.6%)

–

ND

R

1 (14.3%)

1 (14.3%)

–

–

1 (14.3%)

1 (14.3%)

–

ND