Table 2.
Number and proportion of erythromycin and clindamycin resistant strains isolated from the GBS positive samples.
| Year | GBS Positive Samples | Erythromycin Resistant Strains (%) |
Clindamycin Resistant Strains (%) | Strains Resistant to Erythromycin Alone (%) | Strains Resistant to Clindamycin Alone (%) | Erythromycin-Clindamycin Co-Resistant Strains (%) |
|---|---|---|---|---|---|---|
| 2012 | 506 | 148 (29.2) | 153 (30.2) | 6 (1.2) | 11 (2.2) | 142 (28) |
| 2013 | 508 | 172 (33.9) | 170 (33.5) | 6 (1.2) | 4 (0.8) | 166 (32.8) |
| 2014 | 595 | 190 (31.9) | 182 (30.6) | 17 (2.9) | 9 (1.5) | 173 (29.1) |
| 2015 | 576 | 222 (38.5) | 221 (38.4) | 11 (1.9) | 10 (1.7) | 211 (36.6) |
| 2016 | 570 | 196 (34.4) | 182 (31.9) | 14 (2.5) | 0 (0) | 182 (31.9) |
| 2017 | 502 | 206 (41.0) | 206 (41.0) | 6 (1.2) | 6 (1.2) | 200 (39.8) |
| 2018 | 297 | 118 (39.7) | 115 (38.7) | 12 (4.0) | 9 (3.0) | 106 (35.7) |
| Total | 3554 | 1239 (34.9) | 1230 (34.6) | 68 (1.9) | 49 (1.4) | 1181 (33.2) |