Table 1

Comparison of AmpliVue results in symptomatic and asymptomatic women to composite reference method of wet preparation and culture

Symptom statusNPrevalence%Sensitivity % (95% CI)Specificity % (95% CI)PPV  (95% CI)NPV % (95% CI)
Asymptomatic women6489.4100 (94.1 to 100)98.3 (96.9 to 99.1)85.9 (76.0 to 92.2)100 (99.3 to 100)
Symptomatic women34217.3100 (93.9 to 100)97.9 (95.5 to 99.0)90.8 (81.3 to 95.7)100 (98.6 to 100)
All women99012.1100 (96.9 to 100)98.2 (97.0 to 98.9)88.2 (81.7 to 92.6)100 (99.6 to 100)
  • NPV, negative predictive value; PPV, positive predictive value