Skip to main content

Advertisement

Table 1 Detailed composition of the vaginal microflora of 515 vaginal swab samples, as determined by culture and tDNA-PCR based identification

From: Comparison between Gram stain and culture for the characterization of vaginal microflora: Definition of a distinct grade that resembles grade I microflora and revised categorization of grade I microflora

Species Vaginal smears graded by Gram stain
Grade Ia Ib Iab I-like II III IV Total
Number of samples 162 181 60 36 46 22 8 515
Lactobacillus spp.
Lactobacillus crispatus 87.0a 13.3 76.7 2.8 10.9   37.5 42.7
Lactobacillus jensenii 22.2 24.3 43.3 13.9 47.8 18.2 12.5 26.8
Lactobacillus gasseri 6.8 32.0 25.0 52.8 54.3 9.1 25.0 25.6
Lactobacillus iners 3.7 39.8 8.3 19.4 26.1 31.8   21.2
Lactobacillus vaginalis 9.3 12.7 15.0 11.1 6.5   20.0 1.7
Lactobacillus casei   1.1 1.7 2.8 2.2 4.5 12.5 1.4
Lactobacillus coleohominis 1.2 5.5 5.0   2.2    3.1
Lactobacillus delbrueckii   0.6   5.6 2.2    0.8
Lactobacillus fermentum 0.6 1.1 3.3    4.5   1.2
Lactobacillus kalixensis   0.6       0.2
Lactobacillus mucosae      4.3    0.4
Lactobacillus nagelii      2.2    0.2
Lactobacillus oris      4.3    0.4
Lactobacillus pontis 94%   0.6       0.2
Lactobacillus reuteri   1.7 1.7 5.6     1.2
Lactobacillus rhamnosus   0.6   8.3 4.3 4.5 12.5 1.6
Lactobacillus salivarius   0.5       0.2
Bifidobacterium spp.
Bifidobacterium biavatii   0.6   5.6    12.5 0.8
Bifidobacterium bifidum   0.6   2.8   4.5   0.6
Bifidobacterium breve   0.6   25.0 10.9 9.1   3.3
Bifidobacterium dentium 0.6    8.3   4.5   1.0
Bifidobacterium longum 0.6 0.6   5.6   4.5   1.0
Bifidobacterium sp.   0.6   5.6     0.6
Bacterial vaginosis-related anaerobe organisms
Actinomyces neuii      6.5 9.1   1.0
Aerococcus christensenii      4.3 22.7   1.4
Anaerococcus tetradius b      2.2    0.2
Anaerococcus vaginalis b     2.8     0.2
Atopobium vaginae   0.6    4.3 13.6   1.2
Bacteroides ureolyticus 0.6    2.8 2.2 9.1   1.0
Dialister sp.       22.7 12.5 1.2
Finegoldia magna b 0.6 0.6    2.2 9.1   1.0
Gardnerella vaginalis 1.2 2.8 1.7 2.8 21.7 72.7   6.8
Gemella morbillorium b      2.2    0.2
Mobiluncus curtisii       4.5   0.2
Mycoplasma hominis      4.3    0.4
Peptoniphilus sp.b 3.1 1.7   2.8 6.5 9.1   2.7
Peptostreptococcus sp.       4.5   0.2
Prevotella bivia   0.6   2.8   13.6   1.0
Prevotella ruminicola       4.5   0.2
Prevotella sp.       4.5   0.2
Varibaculum cambriense      2.2 13.6   0.8
Other species
Actinomyces europaeus 96% 0.6        0.2
Actinomyces urogenitalis       4.5   0.2
Arcanobacterium bernardiae 0.6        0.2
Arthrobacter albus      4.3    0.4
Atopobium parvulum       4.5   0.2
Clostridium colicanis    3.3      0.4
Clostridium sp.       4.5   0.2
Corynebacterium amycolatum     2.8     0.2
Corynebacterium coyleae   0.6       0.2
Corynebacterium pseudogenitalium 0.6        0.2
Corynebacterium sp.   0.6    4.3    0.6
Enterococcus faecalis 2.5 4.4 3.3   2.2 4.5   3.1
Escherichia coli   0.6 3.3 2.8   9.1   1.2
Haemophilus influenzae      2.2    0.2
Helcococcus sp.       4.5   0.2
Pediococcus pentosaceus     2.8   4.5   0.4
Propionibacterium acnes 1.9        0.6
Propionibacterium avidium     2.8     0.2
Serratia sp.   0.6       0.2
Staphylococcus aureus 0.6 0.6    2.2    0.6
Staphylococcus capitis   0.6       0.2
Staphylococcus epidermidis 1.2 5.5 1.7 5.6 4.3    3.3
Staphylococcus haemolyticus    1.7   2.2    0.4
Staphylococcus hominis   1.1   2.8 2.2    0.8
Streptococcus agalactiae 1.9 4.4 1.7 11.1   4.5 75.0 4.5
Streptococcus anginosus group 3.1 3.9 1.7 5.6 4.3 9.1   3.7
Streptococcus gallolyticus    1.7      0.2
Streptococcus mitis     2.8 2.2    0.4
Streptococcus salivarius 0.6 1.7       0.8
Veilllonella atypica 1.2 0.6   2.8     0.8
Veillonella sp. 0.6 1.1    2.2    0.8
  1. a Numbers represent percentage of samples from which the species was cultured.
  2. b Formerly known as Peptostreptococcus.