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Table 4 Evaluation of the performance of test methods used

From: Prevalence and the evaluation of culture, wet mount, and ELISA methods for the diagnosis of Trichomonas vaginalis infection among Ghanaian women using urine and vaginal specimens

Methods*

ELISA

HVS wet mount

Urine culture

Sensitivity (95% CI)

88.9 (54.0–99.8)

33.3 (12.0–64.9)

11.1 (0.2–45.9)

Specificity (95% CI)

97.1 (93.1–98.9)

100 (97.3–100.0)

100 (97.2–100.0)

PPV

61.5

100.0

100.0

NPV

99.4

96.7

95.3

TP

8

3

1

TN

166

171

163

FP

5

0

0

FN

1

6

8

Accuracy (%)

96.7

96.7

95.4

AUC (%)

93.0

66.7

55.6

  1. PPV positive predictive value, NPV negative predictive value, TP true positives, TN true negatives, FP false positives, FN false negatives, AUC area under curve
  2. *Urine wet mount has been excluded due to lack of positivity
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Tropical Medicine and Health

ISSN: 1349-4147

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