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Seventeen definitions of lost to follow-up used in the literature applied to data from a single, rural Mozambican cohort, 2006–2011. Subfigures demonstrate the following: cumulative incidence of LTF (A); cumulative incidence of AIDS-defining events (ADE) (B); and probability of death at 24 months for each definition (C). AIDS, acquired immunodeficiency syndrome; LTF, lost to follow-up.
