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Screening Adults for HIV Testing in the Outpatient Department: An Assessment of Tool Performance in Malawi.


ABSTRACT: Little is known about screening tools for adults in high HIV burden contexts. We use exit survey data collected at outpatient departments in Malawi (n = 1038) to estimate the sensitivity, specificity, negative and positive predictive values of screening tools that include questions about sexual behavior and use of health services. We compare a full tool (seven relevant questions) to a reduced tool (five questions, excluding sexual behavior measures) and to standard of care (two questions, never tested for HIV or tested > 12 months ago, or seeking care for suspected STI). Suspect STI and ≥ 3 sexual partners were associated with HIV positivity, but had weak sensitivity and specificity. The full tool (using the optimal cutoff score of ≥ 3) would achieve 55.6% sensitivity and 84.9% specificity for HIV positivity; the reduced tool (optimal cutoff score ≥ 2) would achieve 59.3% sensitivity and 68.5% specificity; and standard of care 77.8% sensitivity and 47.8% specificity. Screening tools for HIV testing in outpatient departments do not offer clear advantages over standard of care.

SUBMITTER: Moucheraud C 

PROVIDER: S-EPMC8813838 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature

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Screening Adults for HIV Testing in the Outpatient Department: An Assessment of Tool Performance in Malawi.

Moucheraud Corrina C   Hoffman Risa M RM   Balakasi Kelvin K   Wong Vincent V   Sanena Maria M   Gupta Sundeep S   Dovel Kathryn K  

AIDS and behavior 20210811 2


Little is known about screening tools for adults in high HIV burden contexts. We use exit survey data collected at outpatient departments in Malawi (n = 1038) to estimate the sensitivity, specificity, negative and positive predictive values of screening tools that include questions about sexual behavior and use of health services. We compare a full tool (seven relevant questions) to a reduced tool (five questions, excluding sexual behavior measures) and to standard of care (two questions, never  ...[more]

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