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Table 3 Vaginal and rectal occurrence of Lactobacillus species, expressed as percentage of subjects positive, according to different studies

From: Identification and genotyping of bacteria from paired vaginal and rectal samples from pregnant women indicates similarity between vaginal and rectal microflora

Authors Population studied Species Vagina only Vagina alla Vagina & Rectum Rectum only Rectum alla Overall
Antonio et al. 1999 302 sexually active women L. crispatus 32      
   L. jensenii 23      
   L. gasseri 5      
   L. iners 15      
   L. vaginalis < 1      
Antonio et al. 2005 290 nonpregnant women L. crispatus 17 31 14 1 15 33
   L. jensenii 17 23 6 4 10 27
   L. gasseri 3 5 2 8 10 13
   L. iners 15 16 1 0 1 16
   L. vaginalis < 1 0 0 0 0 0
Marrazzo et al. 2009 237 women having sex with women L. crispatus 49 93 44 5 49 98
   L. jensenii 8 10 2 1 3 11
   L. gasseri 10 16 6 6 12 21
   L. iners 1 1 0 0 0 1
   L. vaginalis 0 0 0 0 0 0
This study 132 pregnant women L. crispatus 33 41 8 3 11 42
   L. jensenii 21 32 11 2 13 33
   L. gasseri 18 30 12 3 15 33
   L. iners 11 11 0 2 2 12
   L. vaginalis 10 10 0 0 0 10
  1. a: The column entitled 'Vagina all' presents the sum of subjects with the species in the vagina only and those with the species in both vagina and rectum. The column entitled 'Rectum all' presents the sum of subjects with the species in the rectum only and those with the species in both vagina and rectum.