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Table 1 Number of GBS culture positive samples detected by different culture media in rectovaginal, vaginal and rectal specimens obtained from 49 GBS positive samples from 22 GBS positive women

From: Comparison of different sampling techniques and of different culture methods for detection of group B streptococcus carriage in pregnant women

Specimen

CNA

GBSDA

CA

Lim-CNA

Lim- GBSDA

Lim- CA

Estimated number of women colonized

Rectovaginal ESwab

13

20

21

17

21

22

22

Vaginal ESwab

NT

NT

NT

9

11

11

11

Rectal Eswab

NT

NT

NT

13

17

18

18

  1. CA: Chrom ID Strepto B agar (BioMérieux), CNA: colistin nalidixic acid Columbia agar, GBSDA: GBS Differential Agar (Becton Dickinson), Lim: Lim broth.
  2. NT: Not tested.