The Markov model explicitly accounts for retention vs. exit from the cascade by continuing to track individuals who are lost to mortality. This correctly accounts for individuals who are lost from the cascade, rather than censoring them out. https://t.…
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Some background info on this (and why cross sectional cascades can be biased) https://t.co/JMl0ptKlOX
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Open Access UCL Research: Limitations of the UNAIDS 90-90-90 metrics: a simulation-based comparison of cross-sectional and longitudinal metrics for the HIV care continuum https://t.co/wJ1DCuuMuu
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Noah did most (all?) of the heavy lifting on this paper so congrats to him. We chipped in a bit. Key message: looking at a dynamic system in cross-section can be highly misleading. But adding a bit of time to presentations can improve things and mai…