Investigating Bias from Missing Data in an Electronic Health Records-Based Study of Weight Loss After Bariatric Surgery.
Lily J KoffmanAlexander W LevisDavid ArterburnKaren J ColemanLisa J HerrintonJulie CooperJohn EwingHeidi FischerJames R FraserEric JohnsonBrianna TaylorMary Kay TheisLiyan LiuAnita CourcoulasRobert LiDavid P FisherLaura AmsdenSebastien HaneusePublished in: Obesity surgery (2021)
We found little evidence of weight loss differences by enrollment status. Collecting information through surveys can be an effective tool to investigate and adjust for missingness in EHR-based studies.