title: Three simple rules to ensure reasonably credible subgroup analyses.
authors.affiliation: Department of Neurology, University of Michigan School of Medicine, Ann Arbor, MI 48109-2800, USA VA Center for Clinical Management and Research, Ann Arbor jamesbur@umich.edu.
authors.forename: James F
authors.initials: JF
authors.lastname: Burke
authors.affiliation: VA Center for Clinical Management and Research, Ann Arbor Department of Internal Medicine, University of Michigan School of Medicine.
authors.forename: Jeremy B
authors.initials: JB
authors.lastname: Sussman
authors.affiliation: Department of Internal Medicine, Tufts University School of Medicine, Boston, MA, USA Predictive Analytics and Comparative Effectiveness Center, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Tufts University School of Medicine.
authors.forename: David M
authors.initials: DM
authors.lastname: Kent
authors.affiliation: VA Center for Clinical Management and Research, Ann Arbor Department of Internal Medicine, University of Michigan School of Medicine.
authors.forename: Rodney A
authors.initials: RA
authors.lastname: Hayward
mesh_terms: D001499:Bayes Theorem; D002986:Clinical Trials as Topic / Q000379:methods*; D003627:Data Interpretation, Statistical; D003937:Diagnosis, Differential; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D011237:Predictive Value of Tests