Results 1 to 10 of about 481,225 (169)

The Optimal Machine Learning-Based Missing Data Imputation for the Cox Proportional Hazard Model. [PDF]

open access: yesFront Public Health, 2021
An adequate imputation of missing data would significantly preserve the statistical power and avoid erroneous conclusions. In the era of big data, machine learning is a great tool to infer the missing values.
Guo CY, Yang YC, Chen YH.
europepmc   +2 more sources

Introduction of Two-Dose Mumps-Containing Vaccine into Routine Immunization Schedule in Quzhou, China, Using Cox-Proportional Hazard Model. [PDF]

open access: yesJ Immunol Res, 2021
Mumps is a vaccine-preventable disease caused by the mumps virus, but the incidence of mumps has increased among the children who were vaccinated with one-dose measles-mumps-rubella (MMR) in recent years.
Yin Z   +7 more
europepmc   +2 more sources

A Study of Factors Affecting the Length of Hospital Stay of COVID-19 Patients by Cox-Proportional Hazard Model in a South Indian Tertiary Care Hospital. [PDF]

open access: yesJ Prim Care Community Health, 2021
Background: The objective of the study was to identify the factors that alter the length of hospital stay of COVID-19 patients so we have an estimate of the duration of hospitalization of patients.
Thiruvengadam G, Lakshmi M, Ramanujam R.
europepmc   +2 more sources

Association of Dose and Frequency on the Survival of Patients on Maintenance of Hemodialysis in China: A Kaplan-Meier and Cox-Proportional Hazard Model Analysis. [PDF]

open access: yesMed Sci Monit, 2018
Background Dialysis frequency and dose are controversial prognostic factors of hemodialysis morbidity and mortality. The aim of this study was to find out the effect of frequency and dosage of dialysis on mortality and survival in a group of Chinese ...
Sun Y   +5 more
europepmc   +2 more sources

Reinfection hazard of hand-foot-mouth disease in Wuhan, China, using Cox-proportional hazard model. [PDF]

open access: yesEpidemiol Infect, 2018
Hand-foot-mouth disease (HFMD) is an acute infectious disease caused by serotypes of the enterovirus (EV) family. HFMD reinfection occurs commonly in lack of cross-protection between different EV serotypes.
Peng Y   +6 more
europepmc   +2 more sources

Predictors of time to relapse in amphetamine-type substance users in the matrix treatment program in Iran: a Cox proportional hazard model application. [PDF]

open access: yesBMC Psychiatry, 2016
BackgroundThe aim of this study was to determine which predictors influence the risk of relapse among a cohort of amphetamine-type substance (ATS) users in Iran.MethodsA Cox proportional hazards model was conducted to determine factors associated with ...
Moeeni M   +5 more
europepmc   +2 more sources

Analysis of significant factors on cable failure using the Cox proportional hazard model [PDF]

open access: yesIEEE Transactions on Power Delivery, 2014
This paper proposes the use of the Cox proportional hazard model (Cox PHM), a statistical model, for the analysis of early-failure data associated with power cables.
Alkali, Babakalli   +7 more
core   +2 more sources

Generating Survival Times to Simulate Cox Proportional Hazards Models [PDF]

open access: yesStatistics in Medicine, 2003
This paper discusses techniques to generate survival times for simulation studies regarding Cox proportional hazards models. In linear regression models, the response variable is directly connected with the considered covariates, the regression ...
Augustin, Thomas   +2 more
core   +6 more sources

Survival analysis—part 2: Cox proportional hazards model

open access: yesIndian Journal of Thoracic and Cardiovascular Surgery, 2021
Learning objectives: 1. To understand the log-rank test and limitations of the log-rank test in comparing survival between groups. 2. To understand the fundamental concepts of the proportional hazards assumption. 3. To understand basic steps in the development of the Cox proportional hazards model and reported hazard ratios. 4.
Salil Vasudeo Deo   +2 more
openaire   +4 more sources

Modeling and Predicting the Popularity of Online Contents with Cox Proportional Hazard Regression Model [PDF]

open access: yesNeurocomputing, 2012
Special Issue on Advances in Web IntelligenceInternational audienceWe propose a general framework which can be used for modeling and predicting the popularity of online contents.
Lee, Jong Gun   +2 more
core   +4 more sources

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