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Table 7 Sensitivity and specificity of vaginal pH to predict BV status, cutoff value: pH 5.0

From: Basic vaginal pH, bacterial vaginosis and aerobic vaginitis: prevalence in early pregnancy and risk of spontaneous preterm delivery, a prospective study in a low socioeconomic and multiethnic South American population

pH

BV+

BV-

Total

< 5

87

1022

1109

≥5

390

192

582

Total

477

1214

1691

  1. Sensitivity: 390/477 = 82%.
  2. Specificity: 1022/1214 = 84%.
  3. Accuracy: 84%.
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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