Table 1.

Comparison of TaqMan-coupled PCR and broth culture for detection of T. vaginalis from female genital specimensa

PCR resultNo. with broth culture resultTotal
PositiveNegative
Positive44 14b 58
Negative1493494
 Total45507552
  • a Sensitivity, 97.8%; specificity, 97.4%; positive predictive value, 77.6%; negative predictive value, 99.8%; prevalence by culture, 8.2%; prevalence by PCR, 10.5%.

  • b One PCR-positive, culture-negative specimen contained motile, characteristic trichomonads by direct microscopic examination.