Mostrando ítems 1-10 de 10
Oller Piqué, Ramon (Fecha de defensa: 2006-06-30)
L'anàlisi de la supervivència s'utilitza en diversos àmbits per tal d'analitzar dades que mesuren el temps transcorregut entre dos successos. També s'anomena anàlisi de la història dels esdeveniments, ...
Langohr, Klaus (Fecha de defensa: 2004-06-16)
El análisis de supervivencia trata de la evaluación estadística de variables que miden el tiempo transcurrido hasta un evento de interés. Una particularidad que ha de considerar el análisis de supervivencia ...
Pérez Álvarez, Nuria (Fecha de defensa: 2014-07-23)
Currently, resources that may be spent in health care are limited so it is necessary to rationalize their consumption and prioritise their allocation to the options with higher health outcome and economic ...
Topp, Rebekka (Fecha de defensa: 2002-07-19)
This work consists of two parts, both related with regression analysis for interval censored data. Interval censored data x have the property that their value cannot be observed exactly but only the ...
Serrat i Piè, Carles (Fecha de defensa: 2001-05-21)
En aquest treball tractem tres metodologies diferents -no paramètrica, paramètrica i semiparamètrica- per tal de considerar els patrons de dades amb valors no observats en un context d'anàlisi de la ...
Porta Bleda, Núria (Fecha de defensa: 2010-07-27)
Aquesta tesi tracta sobre tècniques d'anàlisi de supervivència en situacions amb múltiples esdeveniments i patrons complexes de censura. Proposem una nova metodologia per tractar la situació de riscos ...
Calle, M. Luz (Fecha de defensa: 1997-02-27)
This work concerns some problems in the area of survival analysis that arise in real clinical or epidemiological studies. In particular, we approach the problem of estimating the survival function based ...
López Segovia, Lucas (Fecha de defensa: 2014-06-10)
The research developed in this thesis has been motivated by two datasets, which are introduced in Chapter 2, one concerning the mortality of calves from birth to weaning while the other refers to survival ...
Gómez-Mateu, Moisés (Fecha de defensa: 2016-06-30)
The conclusions from randomized clinical trials (RCT) rely on the primary endpoint (PE), which is chosen at the design stage of the study; thus, it is of utmost importance to select it appropriately. ...
Bofill Roig, Marta (Fecha de defensa: 2020-12-22)
Defining the scientific question is the starting point for any clinical study. However, even though the main objective is generally clear, how this is addressed is not usually straightforward. Clinical ...