To weight or not to weight? Studying the effect of selection bias in three large EHR-linked biobanks.
Maxwell SalvatoreRitoban KunduShi XuChristopher R FrieseSeunggeun LeeLars G FritscheAlison M MondulDavid HanauerCeleste Leigh PearceBhramar MukherjeePublished in: medRxiv : the preprint server for health sciences (2024)
EHR-linked biobanks should report recruitment and selection mechanisms and provide selection weights with defined target populations. Researchers should consider their intended estimands, specify source and target populations, and weight EHR-linked biobank analyses accordingly.