title: Annals Understanding Clinical Research: Intention-to-Treat Analysis.
authors.affiliation: From University of Pennsylvania and American College of Physicians, Philadelphia, Pennsylvania, and University of Mississippi Medical Center, Jackson, Mississippi.
authors.forename: Joshua M
authors.initials: JM
authors.lastname: Liao
authors.affiliation: From University of Pennsylvania and American College of Physicians, Philadelphia, Pennsylvania, and University of Mississippi Medical Center, Jackson, Mississippi.
authors.forename: Catharine B
authors.initials: CB
authors.lastname: Stack
authors.affiliation: From University of Pennsylvania and American College of Physicians, Philadelphia, Pennsylvania, and University of Mississippi Medical Center, Jackson, Mississippi.
authors.forename: Michael E
authors.initials: ME
authors.lastname: Griswold
authors.affiliation: From University of Pennsylvania and American College of Physicians, Philadelphia, Pennsylvania, and University of Mississippi Medical Center, Jackson, Mississippi.
authors.forename: A Russell
authors.initials: AR
authors.lastname: Localio
mesh_terms: D000368:Aged; D035843:Biomedical Research; D019299:Decompression, Surgical; D005260:Female; D006801:Humans; D057194:Intention to Treat Analysis; D008297:Male; D008875:Middle Aged; D026741:Physical Therapy Modalities; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D013130:Spinal Stenosis / Q000601:surgery / Q000628:therapy