title: In brief: Statistics in brief: study designs in orthopaedic clinical research.
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland. brigitte.jolles-haeberli@chuv.ch
authors.forename: Brigitte M
authors.initials: BM
authors.lastname: Jolles
authors.forename: Estelle
authors.initials: E
authors.lastname: Martin
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D003627:Data Interpretation, Statistical; D006801:Humans; D009985:Orthopedics; D012107:Research Design