Table 6.
Association of methicillin resistant and sensitive S. aureus to different antimicrobial classes at Yekatit 12 Hospital Medical College from September 2013 to April 2014, Addis Ababa, Ethiopia
| Antibiotics | MRSA (n = 34) | MSSA (n = 160) | AOR | 95 % CI | P-value |
|---|---|---|---|---|---|
| N (%) | N (%) | ||||
| AMC [30 μg] | 34(100) | 2(1.3) | 9.809 | (1.56, 61.69) | 0.015* |
| Penicillin G [10 U] | 34(100) | 153(95.6) | 0.000 | - | 0.99 |
| Vancomycina | 10(29.4) | 0(0) | 0.000 | - | 0.99 |
| SXT [1.25/23.75 μg] | 34(100) | 69(43.1) | 16.24 | (0.41, 63.28) | 0.135 |
| Chloramphenicol [30 μg] | 16(47) | 20(12.5) | 1.130 | (0.09, 13.63) | 0.923 |
| Gentamycin [10 μg] | 13(38.2) | 13(8.1) | 0.896 | (0.07, 10.98) | 0.931 |
| Cefuroxime [30 μg] | 34(100) | 6(3.8) | 216.17 | (10.8, 432.2) | 0.001** |
| Clindamycin [30 μg] | 18(53) | 5(3.1) | 13.22 | (1.99, 87.62) | 0.007** |
| Ciprofloxacin [5 μg] | 28(82.5) | 33(20.6) | 0.615 | (0.10, 3.73) | 0.598 |
| Erythromycin [15 μg] | 34(100) | 69(43.1) | 9.044 | (0.49, 16.05) | 0.136 |
| Cephalothin [10 μg] | 34(100) | 3(1.8) | 1 | - | - |
AMC Amoxilin- clavulanic acid, SXT Trimethoprim-Sulfamethoxazole
a concentration from 2 μg/ml to16μg/ml
** Significant at P value < 0.01, * Significant at P value < 0.05