Results 281 to 290 of about 1,821,882 (341)

Demographic Risk Factors for Substance-Induced psychosis Rehabilitation Relapse Among Adolescents in Zimbabwe: A Proportional Hazards Modeling Study

Muzingili T.
europepmc   +1 more source

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Proportional hazards

, 2021
We consider several models that describe survival in the presence of observable covariates, these covariates measuring subject heterogeneity. The most general situation can be described by a model with a parameter of high, possibly unbounded, dimension.
J. O'Quigley
semanticscholar   +2 more sources

Flexible parametric proportional-hazards and proportional-odds models for censored survival data, with application to prognostic modelling and estimation of treatment effects

Statistics in Medicine, 2002
Patrick Royston, Mahesh K B Parmar
exaly   +2 more sources

Proportional hazards models of infrastructure system recovery

Reliability Engineering and System Safety, 2014
Kash Barker, Hiba Baroud
exaly   +2 more sources

Proportional hazards modelling

, 2017
M. Crowder, A. Kimber, R. Smith, T. Sweeting   +3 more
semanticscholar   +2 more sources

Proportional hazards (Cox) regression

Journal of General Internal Medicine, 1993
PROPORTIONAL HAZARDS ( C o x ) REGRESSION is a powerful analytic tool for testing whe the r several factors (e.g., cigarette smoking, hyper tens ion) are independent ly related to the rate (over t ime) of a specific event (e.g., heart attack yes /no) . It can also be used to control for baseline differences be t ween groups in nonrandomized studies and
M H, Katz, W W, Hauck
openaire   +2 more sources

Cox Proportional Hazards

, 2017
Peter J. Smith
semanticscholar   +2 more sources

Misspecified Proportional Hazard Models

Biometrika, 1986
Let \((N_ i(t)\), \(t\geq 0\), \(i=1,...,n)\) be a counting process in which \(N_ i(t)\) records the number of failures in [0,t] for i-th item, and let \(Y_ i(t)\lambda_ 0(t) \exp (\beta Z_ i)\) \((i=1,...,n)\) be a random intensity process (for \(N_ i)\).
Struthers, C. A., Kalbfleisch, J. D.
openaire   +2 more sources

Condition-based maintenance with dynamic thresholds for a system using the proportional hazards model

Reliability Engineering & System Safety, 2020
The hazard rate of many practical systems depends not only on age but also on a diagnostic covariate process. Effective maintenance decisions for such systems need to combine both age information and the covariate information obtained from condition ...
Rui Zheng, Bingkun Chen, Liudong Gu
semanticscholar   +1 more source