title: CUSUM: a tool for ongoing assessment of performance.
authors.affiliation: Départment de Biostatistique et Informatique Médicale, Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Université Paris 7, Institut National de la Santé et de la Recherche Médicale U717, Vellefaux, 75010 Paris, France. djmbiau@yahoo.fr
authors.forename: D J
authors.initials: DJ
authors.lastname: Biau
authors.forename: R
authors.initials: R
authors.lastname: Porcher
authors.forename: L J
authors.initials: LJ
authors.lastname: Salomon
mesh_terms: D000465:Algorithms; D005260:Female; D006801:Humans; D016013:Likelihood Functions; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011361:Professional Competence; D011785:Quality Assurance, Health Care / Q000706:statistics & numerical data*; D016216:Ultrasonography, Prenatal / Q000592:standards*