Harrison, L Modelling the association between patient characteristics and the change over time in a disease measure using observational cohort data. [electronic resource] - Statistics in medicine Nov 2009 - 3260-75 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1097-0258 Standard No.: 10.1002/sim.3725 doi Subjects--Topical Terms: Antiretroviral Therapy, Highly ActiveBiostatistics--methodsCD4 Lymphocyte CountCohort StudiesHIV Infections--drug therapyHIV-1--classificationHumansLongitudinal StudiesModels, StatisticalOutcome Assessment, Health Care--statistics & numerical dataRegression Analysis