Adaptive Validation DesignEpidemiology - Tập 31 Số 4 - Trang 509-516 - 2020
Lindsay J. Collin, Richard F. MacLehose, Thomas P. Ahern, Rebecca Nash, Darios Getahun, Douglas Roblin, Michael J. Silverberg, Michael Goodman, Timothy L. Lash
An internal validation substudy compares an imperfect measurement of a variable
with a gold-standard measurement in a subset of the study population. Validation
data permit calculation of a bias-adjusted estimate, which has the same expected
value as the association that would have been observed had the gold-standard
measurement been available for the entire study population. Existing guidance on
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