Table 2.
Antibiotic-resistant rate of maternal GBS colonization.
| Group | Antibiotics | All isolates (n = 272) %, (R/n*) | ≥ 35 weeks (n = 113) %, (R/n*) | < 35 weeks (n = 159) %, (R/n*) | p value |
|---|---|---|---|---|---|
| Penicillins | Ampicillin 10 µg | 0 (0/245) | 0 (0/102) | 0 (0/143) | – |
| Penicillin 10 units | 0 (0/243) | 0 (0/102) | 0 (0/141) | – | |
| Cephems | Ceftriaxone 30 µg | 0 (0/33) | 0 (0/11) | 0 (0/22) | – |
| Cefotaxime 30 µg | 0 (0/36) | 0 (0/14) | 0 (0/22) | – | |
| Glycopeptides | Vancomycin 30 µg | 0 (0/244) | 0 (0/106) | 0 (0/138) | – |
| Streptogramins | Quinupristin/dalfopristin 15 µg | 0 (0/207) | 0 (0/86) | 0 (0/121) | – |
| Tetracyclines | Tetracycline 30 µg | 89.66 (234/261) | 91.18 (93/102) | 88.68 (141/159) | 0.661 |
| Macrolides | Erythromycin 15 µg | 76.23 (202/265) | 74.53 (79/106) | 77.36 (123/159) | 0.702 |
| Lincosamides | Clindamycin 2 µg | 58.21 (156/268) | 57.80 (63/109) | 58.49 (93/159) | 1 |
| Phenicols | Chloramphenicol 30 µg | 52.38 (22/42) | 61.54 (8/13) | 48.28 (14/29) | 0.644 |
| Fluoroquinolones | Levofloxacin 5 µg | 28.46 (74/260) | 29.70 (30/101) | 27.67 (44/159) | 0.832 |
| MDR | Multidrug-resistance | 60.66 (165a/272) | 52.21% (59a/113) | 66.67% (106a/159) | 0.023 |
(–) Not examined, MDR multidrug resistance (resistant to at least one antibiotic in ≥ 3 drug classes), R Number of resistant isolates.
*The number of isolates tested (not all isolates tested are equivalent as some data were missing).
aNumber of multidrug resistance isolates.