Table 2

Accuracy of microscopy, latex agglutination, and diamond’s media compared with PCR for detecting T. vaginalis
PCR Accuracy measure (95% CI)
Positive Negative Total
Microcopy Positive 251 1 252 Sensitivity 99.2 (97.4-100.0)
Negative 2 43 45 Specificity 97.7 (89.3-100.0)
Total 253 44 297 Positive predictive value 99.6 (98.1-100.0)
Negative predictive value 95.5 (86.1-99.1)
Latex agglutination Positive 252 5 257 Sensitivity 99.6 (98.1-100.0)
Negative 1 39 40 Specificity 88.6 (76.6-95.7)
Total 253 44 297 Positive predictive value 98.0 (95.7-99.3)
Negative predictive value 97.5 (88.3-100.0)
Diamond’s media Positive 253 0 253 Sensitivity 100.0 (98.8-100.0)
Negative 6 38 44 Specificity 86.4 (73.8-94.3)
Total 259 38 297 Positive predictive value 97.6 (95.2-99.1)
Negative predictive value 100 (92.4-100.0)

Saleh et al.

Saleh et al. Diagnostic Pathology 2014 9:49   doi:10.1186/1746-1596-9-49

Open Data