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Table 3 Accuracy of wet mount microscopy and in-house PCR against Culture for TV diagnosis

From: Very low sensitivity of wet mount microscopy compared to PCR against culture in the diagnosis of vaginal trichomoniasis in Uganda: a cross sectional study

Culture

Test

TP

FP

FN

TN

Sensitivity (95% CI)

Specificity (95% CI)

Kappa agreement

PPV (95% CI)

NPV (95% CI)

PCR

11

1

1

137

91.7 (61.5–99.8)

99.3 (96.0–100.0)

0.91

91.6% (60.8–98.7%)

99.3% (95.5–99.9%)

Wet mount

3

0

9

138

25.0 (5.5–57.2)

100 (97.4–100.0)

0.38

100% (CI NA)

93.8% (91.7–95.5%)

  1. 95% CI 95% Confidence interval, FN False negative, FP False positive, NA Not applicable, NPV Negative predictive value, PPV Positive predictive value, TN True negative, TP True positive