Table 1.
Antimicrobial susceptibility test of 114 isolates of GAS from 2020 to 2021, compared with our previous studies [21, 22]
| Antibiotic | Susceptibility (n %) | Intermediate (n %) | Resistant (n %) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 2020–2021 | 2019 | 2016–2017 | 2020–2021 | 2019 | 2016–2017 | 2020–2021 | 2019 | 2016–2017 | |
| Penicillin | 114/100 | 271/100 | 297/100 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Ceftriaxone | 114/100 | 271/100 | 297/100 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Levofloxacin | 110/96.49 | 271/100 | 297/100 | 4/3.51 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Cefotaxime | 114/100 | 271/100 | 297/100 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Vancomycin | 114/100 | 271/100 | 297/100 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Cefepime | 114/100 | 271/100 | 297/100 | 0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| Chloramphenicol | 103/90.35 | 261/96.31 | 283/95.29 | 9/7.89 | 6/2.21 | 12/4.04 | 2/1.75 | 4/1.48 | 2/0.67 |
| Tetracycline | 6/5.26 | 23/8.49 | 16/5.39 | 8/7.01 | 11/4.06 | 13/4.38 | 100/87.72 | 237/87.45 | 268/90.23 |
| Erythromycin | 5/4.39 | 7/2.58 | 3/1.01 | 1/0.88 | 7/2.58 | 2/0.67 | 108/94.74 | 257/94.83 | 292/98.3 |
| Clindamycin | 5/4.39 | 30/11.1 | 8/2.69 | 3/2.63 | 3/1.11 | 2/0.67 | 106/92.98 | 238/87.82 | 287/96.6 |