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HIV/AIDS Epidemiology
HIV hazard rates estimated from cross-sectional HIV prevalence data
September 19th, 2006
HIV hazard rates are estimated from cross-sectional HIV prevalence data. According to a recently published report from Taiwan, "We propose a method of estimating the HIV hazard rate in a population when only cross-sectional data measuring HIV-prevalence are available. "In a cross-sectional study, individuals who test positive are left-censored since we know only that the transition time is smaller than the monitoring time." "Individuals who test negative are right-censored since we know only that the transition time is greater than the monitoring time. The transition time is not observed directly," investigators reported. ...
Source: TB & Outbreaks Week (2006-09-19)
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