Direct assessment of completeness of ascertainment in a stroke incidence study.

BACKGROUND AND PURPOSE: Validity of comparisons of stroke incidence between studies or time periods depends on the completeness of ascertainment. Ascertainment cannot be reliably assessed indirectly by statistical methods, such as capture-recapture. We report the first use of direct methods to dete...

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Bibliographic Details
Main Authors: Coull, A, Silver, L, Bull, L, Giles, M, Rothwell, P
Format: Journal article
Language:English
Published: 2004