Table 3.
Difference between proportions of antimicrobial resistant GBS isolated from the lower vagina and those isolated from the anorectal canal
| Antimicrobial susceptibility | GBS colonization | P | ||
|---|---|---|---|---|
| Vaginal Positive | Anorectal Positive | |||
| (n, %) | (n, %) | |||
| Penicillin | Susceptible | 15 (31%) | 13 (25%) | 0.499 |
| Resistant | 34 (69%) | 40 (75%) | ||
| Ampicillins | Susceptible | 24 (49%) | 23 (43%) | 0.544 |
| Resistant | 25 (51%) | 30 (57%) | ||
| Vancomycin | Susceptible | 39 (80%) | 40 (75%) | 0.546 |
| Resistant | 10 (20%) | 13 (25%) | ||
| Clindamycin | Susceptible | 28 (70%) | 29 (69%) | 0.922 |
| Resistant | 12 (30%) | 13 (31%) | ||
GBS Group B Streptococcus, n Number of positive GBS isolates, % percentage of isolates within group, P value obtained by comparing proportion of antimicrobial resistant isolated from anal and rectal canal