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Summarizing the extent of visit irregularity in longitudinal data

Abstract Background Observational longitudinal data often feature irregular, informative visit times. We propose descriptive measures to quantify the extent of irregularity to select an appropriate analytic outcome approach. Methods We divided the study period into bins and calculated the mean propo...

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Главные авторы: Armend Lokku, Lily S. Lim, Catherine S. Birken, Eleanor M. Pullenayegum, on behalf of the TARGet Kids! Collaboration
Формат: Artigo
Язык:Inglês
Опубликовано: BMC 2020-05-01
Серии:BMC Medical Research Methodology
Предметы:
Longitudinal data
Irregular visits
Visit process
Missing data mechanism
Visit intensity
Online-ссылка:http://link.springer.com/article/10.1186/s12874-020-01023-w
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