Table 1. Antimicrobial susceptibility of Staphylococcus aureus and Enterococcus species.
| Organism/Antimicrobial agents | % Susceptibility in each year | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | ||
| S. aureus, No. tested | 39 | 50 | 52 | 49 | 66 | 71 | 78 | 82 | 93 | 109 | 142 | 170 | 173 | 167 | 187 | 169 | 164 | 164 | 165 | 180 | |
| Ciprofloxacin | 34.7 | 38.4 | 40.6 | 40.7 | 31.0 | 37.4 | 38.7 | 39.5 | 39.4 | 39.9 | 36.4 | 37.8 | 37.9 | 38.0 | 36.2 | 41.5 | 45.9 | 45.4 | 47.9 | 51.9 | |
| Clindamycin | 33.7 | 39.0 | 39.0 | 44.8 | 36.6 | 37.3 | 37.3 | 42.6 | 41.9 | 42.0 | 36.8 | 39.2 | 40.2 | 36.1 | 36.3 | 37.4 | 41.5 | 42.1 | 45.8 | 54.0 | |
| Erythromycin | 24.2 | 27.7 | 29.2 | 30.4 | 22.2 | 27.3 | 29.2 | 29.0 | 28.9 | 30.1 | 27.1 | 28.8 | 30.3 | 30.9 | 32.6 | 34.1 | 37.4 | 37.9 | 40.2 | 44.7 | |
| Gentamicin | 38.1 | 39.4 | 39.5 | 33.8 | 38.5 | 38.0 | 39.4 | 42.8 | 45.2 | 47.4 | 47.8 | 48.5 | 46.1 | 48.1 | 45.6 | 49.4 | 48.3 | 50.9 | 57.7 | ||
| Oxacillin | 30.6 | 34.4 | 37.3 | 34.4 | 27.2 | 33.2 | 33.4 | 31.1 | 28.7 | 28.4 | 24.2 | 23.9 | 25.7 | 26.9 | 28.5 | 28.5 | 32.1 | 31.8 | 33.0 | 37.5 | |
| Penicillin | 2.7 | 2.7 | 2.8 | 2.6 | 1.7 | 2.9 | 3.2 | 3.6 | 3.8 | 3.7 | 3.2 | 3.2 | 3.6 | 3.3 | 3.7 | 7.5 | 7.4 | 4.9 | 4.6 | 6.5 | |
| Trimethoprim/Sulfamethoxazole | 98.1 | 97.8 | 96.3 | 91.4 | 85.3 | 80.9 | 78.0 | 83.7 | 87.7 | 89.9 | 90.7 | 92.9 | 96.1 | 96.7 | 98.1 | 98.0 | 98.0 | 97.8 | 97.9 | 98.2 | |
| Enterococcus faecium, No. tested | 6 | 12 | 13 | 20 | 20 | 22 | 27 | 32 | 35 | 39 | 55 | 56 | 52 | 58 | 48 | 54 | 55 | 60 | 66 | ||
| Ampicillin | 35.8 | 22.0 | 11.4 | 6.4 | 12.6 | 12.2 | 12.8 | 8.4 | 8.0 | 8.6 | 7.5 | 7.6 | 9.0 | 8.6 | 8.4 | 9.0 | 8.8 | 10.3 | 8.9 | ||
| Gentamicin, high level | 24.4 | 15.6 | 13.7 | 18.0 | 21.7 | 21.4 | 24.2 | 20.8 | 22.4 | 16.8 | 25.3 | 27.8 | 32.9 | 36.9 | 41.5 | 47.1 | 46.1 | 48.1 | 59.7 | ||
| Streptomycin, high level | 50.0 | 50.0 | 45.1 | 59.0 | 55.6 | 68.8 | 65.7 | 71.9 | 79.3 | 72.0 | 71.8 | 69.9 | 73.8 | 74.8 | 78.7 | 85.5 | |||||
| Teicoplanin | 92.7 | 68.4 | 68.9 | 69.5 | 73.8 | 70.2 | 71.0 | 64.6 | 65.8 | 74.4 | 70.8 | 72.2 | 71.4 | 73.5 | 74.5 | 70.4 | 70.9 | 71.0 | |||
| Tetracycline | 56.0 | 67.2 | 72.2 | 78.5 | 80.9 | 84.8 | 87.4 | 86.8 | 84.5 | 85.4 | 82.0 | 78.2 | 73.3 | 70.0 | 66.0 | 68.4 | 69.2 | 71.3 | 76.3 | ||
| Vancomycin | 92.2 | 85.6 | 72.1 | 69.4 | 71.6 | 73.3 | 72.1 | 68.9 | 60.6 | 55.8 | 68.4 | 65.6 | 68.5 | 67.6 | 68.8 | 65.8 | 59.5 | 59.6 | 59.0 | ||
| Enterococcus faecalis, No. tested | 11 | 16 | 16 | 17 | 22 | 21 | 22 | 24 | 28 | 32 | 38 | 61 | 68 | 68 | 70 | 72 | 78 | 72 | 72 | 71 | |
| Ampicillin | 94.3 | 95.9 | 95.4 | 96.2 | 89.7 | 95.5 | 96.8 | 98.3 | 97.3 | 98.4 | 98.7 | 98.8 | 96.1 | 91.6 | 92.4 | 89.6 | 90.1 | 91.1 | 91.8 | 97.2 | |
| Gentamicin, high level | 41.5 | 29.8 | 36.1 | 39.6 | 38.0 | 48.7 | 51.2 | 45.7 | 50.0 | 44.6 | 45.1 | 45.1 | 44.4 | 44.7 | 43.1 | 44.9 | 44.8 | 43.8 | 44.7 | ||
| Streptomycin, high level | 65.2 | 75.2 | 70.1 | 73.1 | 73.4 | 70.7 | 70.6 | 71.9 | 73.2 | 74.2 | 73.6 | 75.0 | 78.3 | 81.5 | 83.8 | 86.2 | |||||
| Teicoplanin | 99.8 | 99.0 | 87.9 | 89.6 | 97.7 | 98.3 | 98.7 | 98.1 | 99.3 | 99.4 | 99.5 | 99.4 | 99.0 | 99.0 | 97.5 | 99.3 | 99.2 | 99.5 | |||
| Tetracycline | 17.0 | 20.9 | 24.0 | 19.9 | 21.9 | 21.0 | 24.1 | 23.6 | 23.8 | 21.0 | 19.2 | 16.7 | 15.6 | 15.7 | 14.4 | 13.5 | 14.1 | 13.9 | 15.1 | 16.4 | |
| Vancomycin | 98.6 | 94.1 | 99.1 | 98.9 | 89.0 | 88.9 | 97.4 | 98.2 | 98.6 | 98.1 | 99.0 | 99.0 | 98.7 | 99.2 | 99.0 | 98.8 | 98.7 | 99.3 | 99.0 | 99.5 | |
No. tested = the number of tested isolates (× 100).