Dear all,
The next seminar in our series of statistics talks for people interested in quantitative methods in biology and medicine will take place on Thursday 19 May 2016 at 11h00, in the Salle Delachaux (Biopôle 2, first floor, Route de la Corniche 10, 1010 Lausanne, M2: Vennes).
The speaker will be Dr. Arthur Allignol from the Institute of Statistics, University of Ulm, Germany.
Title: Application of multistate models in hospital epidemiology
Abstract: The use of multistate models has started to rise in hospital epidemiology. This is motivated by the fact that they provide the tools both to show that timing of events must be modelled and to actually model this timing. Indeed, when considering hospital-acquired infections (HI), patients are usually free of infection when they are admitted to hospital but may acquire one as time progresses. HI constitutes a major complication that can be severe both in terms of mortality and morbidity and often leads to a prolonged length of stay (LoS) in the hospital, which is one of the main driver for extra costs due to infections. An estimator of the excess LoS associated with an infection can be obtained as a functional of the matrix of transition probabilities, which is in turn based on the transition hazards. The use of the flexible pseudo observation regression technique for the excess LoS was recently proposed. We illustrate the use of these methods with a recent study on HI consisting of more than 600,000 patients admitted in 10 west-European hospitals between 2011 and 2012.
Hope to see you there!
Valentin
(for the organizers: Jérôme Goudet, Valentin Rousson, Frédéric Schütz)
CHUV
centre hospitalier universitaire vaudois
Valentin ROUSSON - Professeur mathematicien/statisticien
Département universitaire de medecine et santé communautaires (DUMSC)
Médecine sociale et préventive (IUMSP)
Biostatistique et méthodes quantitatives
+41 (0)21 314 73 28 TEL
Valentin.Rousson(a)chuv.ch<mailto:Valentin.Rousson@chuv.ch>
www.chuv.ch<http://www.chuv.ch/>
