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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: BJOG. 2011 Jan 20;118(5):533–549. doi: 10.1111/j.1471-0528.2010.02840.x

Table 3.

The sensitivities and specificities for individual or combinations of organisms for the diagnosis of BV using Amsel criteria or Nugent score

Study Diagnosis of BV Organism Sensitivity Specificity
Frederick et al53 Amsel BVAB-1 40.7 97.8
Frederick et al53 Amsel BVAB-2 88.9 95.7
Frederick et al53 Amsel BVAB-3 40.7 97.8
Frederick et al53 Amsel G.vaginalis 100 41.3
Frederick et al53 Amsel BVAB-1 and BVAB-3 33.3 100
Frederick et al53 Amsel BVAB-2 or Megasphaera 100 91.3
Fredericks et al72 Amsel Either Megasphaera or BVAB-1, BVAB-2, or BVAB-3 99 89
Fredericks et al72 Nugent Either Megasphaera or BVAB-1, BVAB-2, or BVAB-3 95.9 95.7

BVAB = bacterial vaginosis associated bacteria