About: Nonparametric approach applied on medical survival data: Uncertainty analysis and comparison of two operative techniques

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Medical survival right-censored data of about 850 patients are evaluated to analyze their uncertainty on one hand and compare two basic surgery techniques on the other hand. Colorectal data comes from patients who underwent colectomy in the University Hospital of Ostrava. Two basic surgery techniques are used for the colectomy: either classical (open) or laparoscopic operation. Basic question which arises at the colectomy operation is which type of operation to choose to guarantee longer overall survival time. Two nonparametric methods have been used and compared to answer both problems. First is the nonparametric method which results from Kaplan-Meier estimator of survival function. Uncertainty analysis of the estimator is based on Greenwood's formula. Second is nonparametric predictive inference (NPI). This is relatively new method which uses lower and upper probabilities for quantifying uncertainty. It provides an estimation of predictive survival function instead of the population survival function. Medical survival right-censored data of about 850 patients are evaluated to analyze their uncertainty on one hand and compare two basic surgery techniques on the other hand. Colorectal data comes from patients who underwent colectomy in the University Hospital of Ostrava. Two basic surgery techniques are used for the colectomy: either classical (open) or laparoscopic operation. Basic question which arises at the colectomy operation is which type of operation to choose to guarantee longer overall survival time. Two nonparametric methods have been used and compared to answer both problems. First is the nonparametric method which results from Kaplan-Meier estimator of survival function. Uncertainty analysis of the estimator is based on Greenwood's formula. Second is nonparametric predictive inference (NPI). This is relatively new method which uses lower and upper probabilities for quantifying uncertainty. It provides an estimation of predictive survival function instead of the population survival function. (en)
Title	Nonparametric approach applied on medical survival data: Uncertainty analysis and comparison of two operative techniques Nonparametric approach applied on medical survival data: Uncertainty analysis and comparison of two operative techniques (en)
skos:prefLabel	Nonparametric approach applied on medical survival data: Uncertainty analysis and comparison of two operative techniques Nonparametric approach applied on medical survival data: Uncertainty analysis and comparison of two operative techniques (en)
skos:notation	RIV/61989100:27740/12:86084843!RIV13-MSM-27740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Briš, Radim Janurová, Kateřina
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / IT4Innovations
http://linked.open...dnocenehoVysledku	154417
http://linked.open...ai/riv/idVysledku	RIV/61989100:27740/12:86084843
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Uncertainty; Survival analysis; Nonparametric predictive inference; Medical data; Kaplan-meier estimator (en)
http://linked.open.../riv/klicoveSlovo	Uncertainty Survival analysis Kaplan-meier estimator Medical data Nonparametric predictive inference
http://linked.open...ontrolniKodProRIV	[475981207F15]
http://linked.open...v/mistoKonaniAkce	Helsinky
http://linked.open...i/riv/mistoVydani	Down
http://linked.open...i/riv/nazevZdroje	11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, PSAM11 ESREL 2012
http://linked.open...in/vavai/riv/obor	BB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Briš, Radim Janurová, Kateřina
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-06-25 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Curran Associates
https://schema.org/isbn	978-1-62276-436-5
http://localhost/t...ganizacniJednotka	27740

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