title: Primary end-point error.
authors: Timothy P
authors: TP
authors: Murphy
authors: Sandra
authors: S
authors: Spronk
authors: Maria
authors: M
authors: de Ridder
authors: Emmanuel M E H
authors: EM
authors: Lesaffre
mesh_terms: D000800:Angioplasty, Balloon; D005081:Exercise Therapy; D006801:Humans; D007383:Intermittent Claudication / Q000503:physiopathology* / Q000628:therapy*; D020127:Recovery of Function; D013223:Statistics as Topic; D015607:Stents; D016896:Treatment Outcome; D016138:Walking / Q000502:physiology*