Table 3.
Antibiotic Susceptibility pattern of isolated microorganisms in Dessie regional health research laboratory, May, 2012
| Antibiotic | E. coli | Pseudomonas spps | Proteus spps | S. Aurous | Klebsiela spps | Entrobactor | S. epidermidis | N. gonorrhea | Citrobactor | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T t | %S | T t | %S | T t | %S | T t | %S | T t | %S | T t | %S | T t | %S | T t | %S | T t | %S | |
| Amoxicillin | 182 | 28(15.4) | 8 | 1/8 | 14 | 0/14 | 3 | 1/3 | 20 | 6(30.0) | 5 | 0/5 | 5 | 1/5 | 1 | 1/1 | 1 | 0/1 |
| Tetracycline | 314 | 56(17.8) | 16 | 6(37.5) | 23 | 6(26.1) | 10 | 3/10 | 26 | 9(34.6) | 19 | 8(42.1) | 4 | 0/4 | 2 | 1/2 | 7 | 0/7 |
| TMP-SMX | 231 | 56(24.2) | 27 | 9(33.3) | 17 | 6(35.3) | 15 | 4/15 | 23 | 8(34.8) | 15 | 12/15 | 8 | 2/8 | 1 | 0/1 | 4 | ¾ |
| Cephalothin | 71 | 41(57.7) | 8 | 0/8 | 10 | 3/10 | 2 | 1/3 | 5 | 5/5 | 7 | 2/7 | 5 | 2/5 | 1 | 0/1 | 2 | ½ |
| Ampicillin | 45 | 9(20.0) | 3 | 1/3 | 4 | 0/4 | 1 | 0/1 | 8 | 1/8 | 1 | 0/1 | 1 | 0/1 | 2 | 2/2 | 1 | 0/1 |
| Chloramphenicol | 201 | 104(51.0 | 15 | 12/15 | 16 | 5(31.3) | 7 | 4/7 | 21 | 13(61.9 | 19 | 13(68.4) | 4 | 2/4 | 2 | 2/2 | 5 | 3/5 |
| Ceftriaxone | 196 | 104(53.1 | 15 | 10/15 | 14 | 614 | 14 | 8/14 | 23 | 11(47.8 | 15 | 11/15 | 2 | 2/2 | 2 | 2/2 | 3 | 2/3 |
| Ciprofloxacin | 92 | 66(71.7) | 43 | 41(95.3) | 10 | 9/1 | 18 | 11(61.1) | 10 | 6/4 | 17 | 15(88.2) | 4 | ¾ | 3 | 1/3 | 5 | 4/5 |
| Doxycyclin | 62 | 22(35.5) | 10 | 2/10 | 7 | 2/7 | 3 | 2/3 | 7 | 4/7 | 1 | 1/1 | - | - | - | - | 1 | 0/1 |
| Erythromycin | 125 | 7(5.6) | 39 | 7(17.9) | 17 | 4(23.5) | 27 | 10(37.0) | 11 | 1/11 | 14 | 3/14 | 4 | 2/4 | 2 | 2/2 | 6 | 0/6 |
| Gentamicin | 362 | 239(66.0) | 18 | 13(72.2) | 25 | 16(64.0) | 7 | 4/7 | 35 | 20(57.1) | 19 | 16(84.2) | 5 | 4/5 | 3 | 2/3 | 6 | 0/6 |
| Kanamycin | 145 | 116(80.0) | - | - | 8 | 5/8 | 1 | 0/1 | 4 | 2/4 | 1 | 0/1 | - | - | - | - | 2 | 0/2 |
| Naldixic acid | 105 | 91(86.7) | - | - | 8 | 5/8 | - | - | 9 | 9/9 | ||||||||
| Nitrofurantoin | 48 | 43(89.6) | 4 | 4/4 | 4 | 4/4 | 3 | 3/3 | 6 | 4/6 | 6 | 5/6 | - | - | 1 | 1/1 | 1 | 1/1 |
| Penicillin G | 2 | ½ | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Vancomycin | 31 | 3(9.7) | 9 | 1/9 | 3 | 0/3 | 3 | 0/3 | 1 | 0/1 | - | - | - | - | - | - | 1 | 0/1 |
| Furantoin | 142 | 124(87.3) | 1 | 0/1 | 13 | 5/13 | 1 | 1/1 | 24 | 16(66.7) | 1 | 1/1 | 4 | 4/4 | ||||
| Carbencillin | 127 | 42(33.1) | 5 | 0/5 | 14 | 5/14 | 2 | 0/2 | 3 | 0/3 | 2 | 2/2 | 3 | 1/3 | 2 | 0/2 | ||
| Clindamycin | 26 | 16(61.5) | 5 | 1/5 | 3 | 1/3 | -- | - | 1 | 0/1 | 3 | 2/3 | - | - | - | - | 2 | ½ |
| Bacitracin | 45 | 13(28.9) | - | - | 7 | 2/7 | - | - | 4 | ¼ | - | - | 1 | 0/1 | - | - | - | |
| Streptomycin | 10 | 1/10 | - | - | - | - | - | - | 5 | 2/5 | - | - | - | - | - | - | - | - |
| Oxacyclin | 12 | 12/12 | 3 | 2/3 | 1 | 0/1 | 1 | 0/1 | - | - | 4 | 4/4 | 1 | 0/1 | - | - | 1 | 0/1 |
*Cut-off levels to establish sensitivity was done based on Oxoid the FDA susceptivity test interprative criteria available at: http://www.oxoid.com.
**Abbreviations : T t Total tests, %S percent of sensitive results; for those samples ≤15 total sensitive/total tests (T s /T t ) was used, TMP-SMX- trimetoprim-sulphamethoxazole, spps species.