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Article

Estimating the Efficacy of Preexposure Prophylaxis for HIV Prevention Among Participants With a Threshold Level of Drug Concentration.

James-Y DAI ; Elizabeth-R BROWN ; Peter-B Gilbert ; James-P HUGHES |

Dans American journal of epidemiology (vol. 177, n° 3, 2013)

[BDSP. Notice produite par INIST-CNRS 8tn9R0xn. Diffusion soumise à autorisation]. Assays for detecting levels of antiretroviral drugs in study participants are increasingly popular in preexposure prophylaxis (PrEP) trials, since they provide an[...]

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Article

Evaluating the Incremental Value of New Biomarkers With Integrated Discrimination Improvement.

Kathleen-F KERR ; Elizabeth-R BROWN ; Thomas LUMLEY ; Robyn-L MCCLELLAND |

Dans American journal of epidemiology (vol. 174, n° 3, 2011)

[BDSP. Notice produite par INIST-CNRS R0xlFl8q. Diffusion soumise à autorisation]. The integrated discrimination improvement (IDI) index is a popular tool for evaluating the capacity of a marker to predict a binary outcome of interest. Recent re[...]

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Article

Longitudinal Data Analysis for Generalized Linear Models Under Participant-Driven Informative Follow-up : An Application in Maternal Health Epidemiology.

Petra BUZKOVA ; Elizabeth-R BROWN ; JOHN-STEWART (Grace-C) : USA. Department of Medicine. School of Medicine. University of Washington. Seattle. WA. |

Dans American journal of epidemiology (vol. 171, n° 2, 2010)

[BDSP. Notice produite par INIST-CNRS R0x7FoJ9. Diffusion soumise à autorisation]. It is common in longitudinal studies for scheduled visits to be accompanied by as-needed visits due to medical events occurring between scheduled visits. If the t[...]

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