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HIV/AIDS
Scientists at University of Michigan release new data on HIV/AIDS
January 14th, 2009
According to recent research published in the journal Biometrics, "Grouped failure time data arise often in HIV studies. In a recent preventive HIV vaccine efficacy trial, immune responses generated by the vaccine were measured from a case-cohort sample of vaccine recipients, who were subsequently evaluated for the study endpoint of HIV infection at prespecified follow-up visits. Gilbert et al. (2005, Journal of Infectious Diseases 191, 666-677) and Forthal et al. (2007, Journal of Immunology 178, 6596-6603) analyzed the association between the immune responses and HIV incidence with a Cox proportional hazards model, treating the HIV infection diagnosis time as a right-censored...
Source: Vaccine Weekly (2009-01-14)
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