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Modelling CD4+ count over time in HIV positive patients initiated on HAART in South Africa using linear mixed models.
HIV is among the highly infectious and pathogenic diseases with a high mortality rate. The spread of HIV is in uenced by several individual based epidemiological factors such as age, gender, mobility, sexual partner pro ...
Modelling acute HIV infection using longitudinally measured biomarker data including informative drop-out.
Background. Numerous methods have been developed to model longitudinal data. In HIV/AIDS studies, HIV markers, CD4+ count and viral load are measured over time. Informative drop-out and the lower detection limit of viral ...