Table 3.
Serotype distribution and antimicrobial resistance to erythromycin and clindamycin of group B streptococci recovered from colonized pregnant women
| Phenotype | Molecular subtypes | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total no. | Susceptibility pattern | M | iMLSB | cMLSB | Ia | Ib | II | III | IV | V | No. of NT | |
| 2092 | Cli-S | Ery-S | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 480 (22.9%) | 28 (1.3%) | 20 (1.0%) | 762 (36.4%) | 1 (0.1%) | 590 (28.2%) | 211 (10.1%) |
| 1090 | Cli-R | Ery-R | 0 (0.0%) | 0 (0.0%) | 1090 (100%) | 40 (3.7%) | 19 (1.7%) | 20 (1.8%) | 372 (34.1%) | 0 (0.00%) | 329 (30.3%) | 310 (28.4%) |
| 276 | Cli-S | Ery-R | 276 (100%) | 0 (0.0%) | 0 (0.0%) | 20 (7.2%) | 0 (0.0%) | 0 (0.0%) | 84 (30.4%) | 0 (0.0%) | 122 (44.3%) | 50 (18.1%) |
| 36 | Cli-R | Ery-S | 0 (0.0%) | 36 (100%) | 0 (0.0%) | 8 (22.2%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 28 (77.8%) | 0 (0.0%) |
Cli-S clindamycin-susceptible, Cli-R clindamycin-resistant, Ery-S erythromycin-susceptible, Ery-R erythromycin-resistant, M macrolide resistance phenotype, iMLSB inductive macrolide-lincosamide-streptogramin B resistance, cMLSB constitutive macrolide-lincosamide-streptogramin B resistance, NT not typable