Results 61 to 70 of about 460,073 (142)

Estimation in Cox proportional hazards model with heteroscedastic errors in covariates

Modern Stochastics: Theory and Applications
Consistent estimators of the baseline hazard rate and the regression parameter are constructed in the Cox proportional hazards model with heteroscedastic measurement errors, assuming that the baseline hazard function belongs to a certain class of ...
Oksana Chernova
doaj   +1 more source

The importance of censoring in competing risks analysis of the subdistribution hazard

BMC Medical Research Methodology, 2017
Background The analysis of time-to-event data can be complicated by competing risks, which are events that alter the probability of, or completely preclude the occurrence of an event of interest.
Mark W. Donoghoe, Val Gebski
doaj   +1 more source

Attributable Risk Function in the Proportional Hazards Model [PDF]

, 2005
As an epidemiological parameter, the population attributable fraction is an important measure to quantify the public health attributable risk of an exposure to morbidity and mortality.
Chen, Ying Qing, Hu, Chengcheng, Wang, Yan   +2 more
core   +1 more source

Analysis of the camouflage effect in time of segregation in texturized regions using the Cox proportional hazard model

Semina: Ciências Exatas e Tecnológicas, 2012
Humans have trichromatic vision. However variations in gene can cause deficiency in color vision resulting to dichromatism. The aim of this work was to verify the real efficiency of dichromats to break colour camouflage.
Eduardo Yoshio Nakano, Juliana Ferrari Cunha   +1 more
doaj  

Analysis of survival-related factors in patients with endometrial cancer using a Bayesian network model.

PLoS ONE
BackgroundIn recent years, remarkable progress has been made in the use of machine learning, especially in analyzing prognosis survival data. Traditional prediction models cannot identify interrelationships between factors, and the predictive accuracy is
Huan Zhang, Shan Zhao, Pengzhong Lv
doaj   +1 more source

Recovery of the Baseline Incidence Density in Censored Time-to-Event Analysis [PDF]

, 2010
Time-to-event analyses are often concerned with the effects of explanatory factors on the underlying incidence density, but since there is no intrinsic interest in the form of the incidence density itself, a proportional hazards model is used. When part
Aickin, Mikel
core   +1 more source

A proportional hazards model of bank failure: an examination of its usefulness as an early warning tool [PDF]

An explanation of how a Cox proportional hazards model can be used to identify both failed and healthy banks with a high degree of accuracy using a relatively small set of publicly available data.Bank ...
Gary Whalen
core  

Group sequential design for time-to-event outcome with non-proportional hazards using the concept of relative time utilizing two different Weibull distributions

Contemporary Clinical Trials Communications
A group sequential design allows investigators to sequentially monitor efficacy and safety as part of interim testing in phase III trials. Literature is well developed in the case of continuous and binary outcomes, however, in case of trials with a time ...
Milind A. Phadnis, Nadeesha Thewarapperuma, Matthew S. Mayo   +2 more
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Analysing wage differences between the USA and Germany using proportional hazards models [PDF]

We analyse differences between the wage distributions in the USA and Germany in 2001 both for women and men. The empirical analysis is based on the decomposition of differences using Cox's marginal (partial) likelihood.
Behr, Andreas, Pötter, Ulrich
core  

A COMPARISON OF MULTIPLICATIVE AND ADDITIVE HAZARD MODELS USING THE HAZARD AND SURVIVAL RATIO

Media Statistika
The Cox multiplicative hazards regression and Aalen additive hazards regression models are widely used for survival data analysis. While the Cox model emphasizes hazard ratios or relative risks, the Aalen model focuses on relative survival or excess ...
Danardono Danardono, Gunardi Gunardi
doaj   +1 more source