Table 1

Diagnostic comparison of latex agglutination, wet prep, and culture for detection of Trichomonas vaginalis

T vaginalis infection (n = 618)Diagnostic test
Latex agglutinationWet prepCulture
*Wet prep microscopy or InPouch culture positive.
†Both wet prep microscopy and Inpouch culture negative.
True positive*171 (27.7%)141 (22.8%)170 (27.5%)
False positive35 (5.7%)0 (0%)0 (0%)
False negative2 (0.3%)32 (5.2%)3 (0.5%)
True negative†410 (66.3%)445 (72.0%)445 (72.0%)