Table 3 Distribution of resistance phenotypes and genotypes across serotypes among erythromycin-resistant GBS
| Â | Ia | Ib | II | III | IV | V | VI | VII | Total |
|---|---|---|---|---|---|---|---|---|---|
N(%)of resistant strain | 6 (20) | 3 (10) | 1 (3.3) | 13 (43.3) | 2 (6.6) | 3 (10) | 1 (3.3) | 1 (3.3) | 30 (100) |
ermB | 5 (23.8) | 3 (14.2) | 1 (4.7) | 6 (28.5) | 2 (9.5) | 3 (14.2) | – | 1 (2.8) | 21 (70) |
ermTR | – | – | – | 5 (71.4) | – | 1 (14.2) | 1 (14.2) | – | 7 (23.3) |
mefA | 1 (33.3) | – | – | 2 (66.6) | – | – | – | – | 3 (10) |
cMLSB | 5 | 2 | 1 | 4 | 2 | 3 | – | 1 | 18 (60) |
iMLSB | – | 1 | – | 7 | – | – | 1 | – | 9 (30) |
M | 1 | – | – | 2 | – | – | – | – | 3 (10) |