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Virological failure reduced with HIV-serostatus disclosure, extra baseline weight and rising CD4 cells among HIV-positive adults in Northwestern Uganda.

Virological failure reduced with HIV-serostatus disclosure, extra baseline weight and rising CD4 cells among HIV-positive adults in Northwestern Uganda.
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Izudi J, Alioni S, Kerukadho E, Ndungutse D,


Izudi J, Alioni S, Kerukadho E, Ndungutse D, (click to view)

Izudi J, Alioni S, Kerukadho E, Ndungutse D,

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BMC infectious diseases 2016 Oct 2816(1) 614

Abstract
BACKGROUND
Little is known about the incidence of virological failure among Human Immunodeficiency virus (HIV) infected adults after Uganda transitioned from Zidovidine/Lamivudine/ Nevirapine (AZT/3TC/NVP) to Tenofovir/Lamivudine/Efavirenze (TDF/3 T/EFV) as a first-line anti-retroviral therapy (ART) in 2013. This was the first study in Uganda to investigate the incidence and predictors of virological failure among HIV-positive adults in Northwestern Uganda.

METHOD
A retrospective cohort of 383 HIV-positive adults at Arua Teaching and Regional Referral Hospital HIV Clinic with at least six months of ART duration and five consecutive good adherence levels was used. Socio-demographic and clinical variables were analyzed with STATA version 12 at 5 % significance level. The Chi-squared, Fisher’s exact and Student’s t-tests were used for bivariate analysis. Cox Proportional Hazard Regression analysis was used for univariable and multivariate analysis, Kaplan-Meier for comparison of survival probability and the log-rank for testing survivorship probability. Hazard ratios (HR), 95 % confidence intervals (CI) and probability values were stated.

RESULTS
The average age of the cohort was 34.0 ± 11 years (Median: 32 years, Interquartile range (IQR): 25-31 years). 28 (7.3 %; 95 % Confidence Interval [CI]: 4.9-10.6) incident cases of virological failures and an incidence rate of 58 per 1000 person-years over risk time of 483 years was recorded. One-kilogram baseline body weight difference (41-kg and above) at ART initiation (Adjusted Hazard Ratio [aHR] = 0.86, 95 % CI:0.76-0.96, P = 0.008), one-CD4 cell increase (35 cells/ul and above) after ART initiation (aHR = 0.99, 95 % CI: 0.98-0.99, P < 0.001) and HIV-serostatus disclosure (aHR = 0.15, 95 % CI: 0.06-033, P < 0.001) reduced the hazard of virological failure. CONCLUSION
Virological failure is common among HIV-positive adults in Northwestern Uganda. It reduced with extra baseline weight, rising CD4 cell counts and HIV-serostatus disclosure.

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