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

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F12%3A86084843" target="_blank" >RIV/61989100:27740/12:86084843 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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

Název v anglickém jazyce

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

Popis výsledku anglicky

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

Druh

D - Stať ve sborníku

CEP obor

BB - Aplikovaná statistika, operační výzkum

OECD FORD obor

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Projekt

<a href="/cs/project/ED1.1.00%2F02.0070" target="_blank" >ED1.1.00/02.0070: Centrum excelence IT4Innovations</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, PSAM11 ESREL 2012

ISBN

978-1-62276-436-5

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

5936-5943

Název nakladatele

Curran Associates

Místo vydání

Down

Místo konání akce

Helsinky

Datum konání akce

25. 6. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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