title: Clinician trialist rounds: 28. When RCT participants are lost to follow-up. Part 1: Why even a few can matter.
authors.affiliation: Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, ON, Canada Departments of Medicine and Clinical Epidemiology, McMaster University, Hamilton, ON, Canada lastwalsh1975@gmail.com.
authors.forename: Michael
authors.initials: M
authors.lastname: Walsh
authors.affiliation: Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, ON, Canada Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, ON, Canada.
authors.forename: P J
authors.initials: PJ
authors.lastname: Devereaux
authors.affiliation: Trout Research & Education Centre at Irish Lake, Markdale, ON, Canada.
authors.forename: David L
authors.initials: DL
authors.lastname: Sackett
mesh_terms: D035843:Biomedical Research / Q000592:standards*; D006801:Humans; D059012:Lost to Follow-Up; D009720:Nurse Clinicians / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012107:Research Design / Q000592:standards*; D012108:Research Personnel / Q000592:standards*; D056164:Teaching Rounds / Q000592:standards*