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A risk score to identify HIV-infected women most likely to become lost to follow-up in the postpartum period.

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Title: A risk score to identify HIV-infected women most likely to become lost to follow-up in the postpartum period.
Authors: Bengtson, Angela M. (AUTHOR), Chibwesha, Carla J. (AUTHOR), Westreich, Daniel (AUTHOR), Mubiana-Mbewe, Mwangelwa (AUTHOR), Chi, Benjamin H. (AUTHOR), Miller, William C. (AUTHOR), Mapani, Muntanga (AUTHOR), Pence, Brian W (AUTHOR), Musonda, Patrick (AUTHOR), Stringer, Jeffrey SA (AUTHOR), Pettifor, Audrey (AUTHOR)
Source: AIDS Care. Aug2016, Vol. 28 Issue 8, p1035-1045. 11p. 1 Diagram, 2 Charts, 2 Graphs.
Subjects: Antiretroviral agents, Confidence intervals, HIV infections, Longitudinal method, Multivariate analysis, Probability theory, Puerperium, Research funding, Risk assessment, Statistics, Mathematical variables, Logistic regression analysis, Sample size (Statistics), Data analysis, Predictive tests, Retrospective studies, Data analysis software, CD4 lymphocyte count, Odds ratio, Pregnancy
Geographic Terms: Zambia
Abstract: Access to lifelong combination antiretroviral therapy (cART) is expanding among HIV-infected pregnant and breastfeeding women throughout sub-Saharan Africa (SSA). For this strategy to meaningfully improve maternal HIV outcomes, retention in HIV care is essential. We developed a risk score to identify women with high likelihood of loss to follow-up (LTFU) at 6 months postpartum from HIV care, using data from public health facilities in Lusaka, Zambia. LTFU was defined as not presenting for HIV care within 60 days of the last scheduled appointment. We used logistic regression to assess demographic, obstetric and HIV predictors of LTFU and to develop a simple risk score. Sensitivity and specificity were assessed at each risk score cut-point. Among 2029 pregnant women initiating cART between 2009 and 2011, 507 (25%) were LTFU by 6 months postpartum. Parity, education, employment status, WHO clinical stage, duration of cART during pregnancy and number of antenatal care visits were associated with LTFU (p-value < .10). A risk score cut-point of 11 (42nd percentile) had 85% sensitivity (95% CI 82%, 88%) and 22% specificity (95% CI 20%, 24%) to detect women LTFU and would exclude 20% of women from a retention intervention. A risk score cut-point of 18 (69th percentile) identified the 23% of women with the highest probability of LTFU and had sensitivity 32% (95% CI 28%, 36%) and specificity 80% (95% CI 78%, 82%). A risk score approach may be useful to triage a subset of women most likely to be LTFU for targeted retention interventions. [ABSTRACT FROM PUBLISHER]
Copyright of AIDS Care is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: A risk score to identify HIV-infected women most likely to become lost to follow-up in the postpartum period.
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22AIDS+Care%22&quot;&gt;AIDS Care&lt;/searchLink&gt;. Aug2016, Vol. 28 Issue 8, p1035-1045. 11p. 1 Diagram, 2 Charts, 2 Graphs.
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  Data: Access to lifelong combination antiretroviral therapy (cART) is expanding among HIV-infected pregnant and breastfeeding women throughout sub-Saharan Africa (SSA). For this strategy to meaningfully improve maternal HIV outcomes, retention in HIV care is essential. We developed a risk score to identify women with high likelihood of loss to follow-up (LTFU) at 6 months postpartum from HIV care, using data from public health facilities in Lusaka, Zambia. LTFU was defined as not presenting for HIV care within 60 days of the last scheduled appointment. We used logistic regression to assess demographic, obstetric and HIV predictors of LTFU and to develop a simple risk score. Sensitivity and specificity were assessed at each risk score cut-point. Among 2029 pregnant women initiating cART between 2009 and 2011, 507 (25%) were LTFU by 6 months postpartum. Parity, education, employment status, WHO clinical stage, duration of cART during pregnancy and number of antenatal care visits were associated with LTFU (p-value &lt; .10). A risk score cut-point of 11 (42nd percentile) had 85% sensitivity (95% CI 82%, 88%) and 22% specificity (95% CI 20%, 24%) to detect women LTFU and would exclude 20% of women from a retention intervention. A risk score cut-point of 18 (69th percentile) identified the 23% of women with the highest probability of LTFU and had sensitivity 32% (95% CI 28%, 36%) and specificity 80% (95% CI 78%, 82%). A risk score approach may be useful to triage a subset of women most likely to be LTFU for targeted retention interventions. [ABSTRACT FROM PUBLISHER]
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  Data: &lt;i&gt;Copyright of AIDS Care is the property of Taylor &amp; Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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