Table 4.
Antimicrobial resistance profiles of Gram negative bacteria isolates from various site of infections among patients at Debre Markos Referral Hospital (2011–2014)
| Antimicrobials | E. coli | P. aeruginosa | Salmonella spp. | Shigella spp. | N. gonorrhoeae | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # T | %R | # T | %R | # T | %R | # T | %R | # T | %R | # T | %R | |
| Ampicillin | 21 | 7 (33.3) | 20 | 13 (65) | 22 | 22 (100) | 8 | 8 (100) | ND | ND | 71 | 50 (70.4) |
| Gentamycin | 23 | 16 (69.6) | 16 | 14 (87.5) | ND | ND | ND | ND | ND | ND | 39 | 30 (76.9) |
| Ceftriaxone | 30 | 1 (3.3) | 25 | 0 | 20 | 9 (45) | 6 | 3 (50) | 13 | 5 (35.8) | 94 | 18 (19.1) |
| Doxycycline | 8 | 6 (75) | 14 | 2 (14.3) | 14 | 9 (64.3) | 6 | 5 (83.3) | 7 | 5 (71.4) | 49 | 27 (55.1) |
| Norfloxacin | 26 | 6 (23.1) | 20 | 0 | 23 | 11 (47.8) | 5 | 5 (100) | 5 | 5 (100) | 79 | 27 (34.2) |
| Ciprofloxacin | 22 | 4 (18.2) | 17 | 6 (35.3) | 16 | 4 (25) | 3 | 0 | 8 | 8 (100) | 66 | 19 (28.8) |
| Chloramphenicol | 23 | 3 (13) | 13 | 3 (23.1) | 18 | 4 (22.2) | 6 | 6 (100) | 5 | 5 (100) | 65 | 21 (32.3) |
| Cotrimoxazole | 9 | 1 (11.1) | 8 | 4 (50) | 11 | 8 (72.7) | 4 | 4 (100) | ND | ND | 32 | 17 (53.1) |
| Amoxicillin | 4 | 1 (25) | 3 | 1 (33.3) | 9 | 8 (88.9) | ND | ND | 1 | 0 | 17 | 10 (58.8) |
| Tetracycline | 12 | 9 (75) | 7 | 4 (57.1) | 1 | 0 | 1 | 1 (100) | 8 | 8 (100) | 29 | 22 (75.9) |
| Erythromycin | 1 | 0 | 4 | 2 (50) | 2 | 2 (100) | 1 | 1 (100) | ND | ND | 8 | 5 (62.5) |
| Cloxacillin | 2 | 0 | 2 | 0 | 3 | 0 | 1 | 1 (100) | 1 | 0 | 9 | 0 |
| Total | 181 | 54 (29.8) | 149 | 49 (32.9) | 139 | 77 (55.4) | 41 | 33 (80.5) | 48 | 33 (68.8) | 558 | 44.8 |
# T number of isolates tested against each antimicrobial agent, R% percent of isolates resistance to antimicrobial agent, ND not done