Table 3.
Presence (frequency) of virulence related genes among erythromycin and clindamycin-resistant, or either, GBS strains in pregnant women and newborns.
| Serotype | Virulence genes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| rib | bca | alp2/3 | epsilon | lmb | scpB | fbsA | fbsB | fbsC | hvgA | |
| Pregnant women (n = 82) | ||||||||||
| Ia (n = 8) | 1 (12.5)* | 2 (25.0) | 0 | 5 (62.5) | 6 (75.0) | 8 (100) | 8 (100) | 8 (100) | 8 (100) | 0 |
| Ib (n = 3) | 0 | 2 (66.7) | 1 (33.3) | 0 | 3 (100) | 3 (100) | 3 (100) | 3 (100) | 3 (100) | 0 |
| II (n = 6) | 4 (66.7) | 2 (33.3) | 0 | 0 | 6 (100) | 6 (100) | 6 (100) | 6 (100) | 6 (100) | 0 |
| III (n = 13) | 11 (84.6) | 2 (15.4) | 0 | 0 | 12 (92.3) | 12 (92.3) | 13 (100) | 13 (100) | 13 (100) | 7 (53.8) |
| IV (n = 2) | 1 (50.0) | 0 | 0 | 1 (50.0) | 1 (50.0) | 1 (50.0) | 2 (100) | 2 (100) | 2 (100) | 0 |
| V (n = 49) | 8 (16.3) | 1 (2.0) | 39 (79.6) | 1 (2.0) | 42 (85.7) | 48 (97.9) | 48 (97.9) | 48 (97.9) | 48 (97.9) | 0 |
| VI (n = 1) | 0 | 1 (100) | 0 | 0 | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 0 |
| Newborns (n = 7) | ||||||||||
| Ia (n = 2) | 0 | 0 | 0 | 2 (100) | 1 (50) | 1 (50) | 2 (100) | 2 (100) | 2 (100) | 0 |
| II (n = 1) | 0 | 0 | 0 | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 0 |
| III (n = 1) | 0 | 0 | 1 (100) | 0 | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 0 |
| V (n = 3) | 2 (66.7) | 0 | 1 (33.3) | 0 | 1 (33.3) | 3 (100) | 3 (100) | 3 (100) | 3 (100) | 0 |
| Total (n = 89) | 27 (30.3) | 10 (11.2) | 42 (47.2) | 10 (11.2) | 75 (84.3) | 85 (95.5) | 88 (98.9) | 88 (98.9) | 88 (98.9) | 7 (7.9) |
*The percentage values.