Results 11 to 20 of about 510,489 (255)
Hidden Imputations and the Kaplan-Meier Estimator. [PDF]
Am J Epidemiol, 2020 AbstractThe Kaplan-Meier (KM) estimator of the survival function imputes event times for right-censored and left-truncated observations, but these imputations are hidden and therefore sometimes unrecognized by applied health scientists. Using a simple example data set and the redistribution algorithm, we illustrate how imputations are made by the KM ...
Cole SR, Edwards JK, Naimi AI, Muñoz A.
europepmc +4 more sources
British Journal of Surgery, 2017 Analysis of time-to-event (“survival”) data typically requires two pieces of data that are taken into account simultaneously: i) the time period for which follow-up was available, and ii) the status at the end of the follow-up. The former variable is continuous (time) and the latter categorical, specifying whether the endpoint was the event under study,
Ranstam, J, Cook, J
openaire +2 more sources
Analysis of survival data in thalassemia patients in Shiraz, Iran [PDF]
Epidemiology and Health, 2015 OBJECTIVES: The survival rate of thalassemia patients has not been conclusively established, and the factors associated with survival remain unclear. This study aimed to determine the survival rate of thalassemia among patients in southern Iran and to ...
Abdolreza Rajaeefard +10 more
doaj +1 more source
Gut and Liver, 2022 Background/Aims: Endoscopic ultrasonography (EUS) provides high-resolution images and is superior to computed tomography (CT) scan in diagnosing small pancreatic ductal adenocarcinoma (PDAC).
Sung Woo Ko +14 more
doaj +1 more source
Medical Technology and Public Health Journal, 2022 Corona Virus Disease2019 (COVID-19) is a disease that shocked the world at the end of 2019. Based on data, positive cases of Covid-19 in Indonesia on July 29, 2021 reached 3,331,206 people, with 3,240,654 Covid-19 patients recovering and 90,552 Covid-19
Iqbal Firdaus Iqbal +3 more
doaj +1 more source
Journal of Radiation and Cancer Research, 2019 Aims: The present study was aimed to assess the impact of Hyperthermia along with Radiotherapy on the outcomes of treatment in locally advanced carcinoma cervix.
Vibha Saluja +2 more
doaj +1 more source
Evaluating Functional and Structural Consequences of the most Deleterious Single Nucleotide Polymorphisms of Human C-X-C Motif Chemokine 10 (CXCL10) Using in silico Analyses [PDF]
Journal of Genetic Resources, 2021 Single Nucleotide Polymorphisms, especially non-synonymous single-nucleotide polymorphisms (nsSNPs), which are the cause of various diseases, are a major issue in genetics.
Mozhdeh Riahi, Mojtaba Emadi Baygi
doaj +1 more source
A Generalized Kaplan-Meier Estimator
The Annals of Statistics, 1984 A class of nonparametric maximum likelihood estimators of the survival function based on incomplete or right-censored data is derived in the general situation that the time to death and the time to loss (censoring) are not necessarily independent. This is the competing risks problem with two causes of failure.
Robertson, James B., Uppuluri, V. R. R.
openaire +2 more sources
ESTIMACIÓN DE KAPLAN MEIER BOOTSTRAP DE LA CURVA DE SUPERVIVENCIA
Pesquimat, 2014 In this work the function of survival is estimated by means of the non-parametric method known like the Kaplan Meier Bootstrap estimator, under the assumption of asymptotical normality.
Freddy Tineo Guevara +2 more
doaj +1 more source
Private and Collaborative Kaplan-Meier Estimators
Proceedings of the 23rd Workshop on Privacy in the Electronic Society, 2023 Kaplan-Meier estimators are essential tools in survival analysis, capturing the survival behavior of a cohort. Their accuracy improves with large, diverse datasets, encouraging data holders to collaborate for more precise estimations. However, these datasets often contain sensitive individual information, necessitating stringent data protection ...
Shadi Rahimian +3 more
openaire +2 more sources