Cox Proportional Hazard Model
An Analysis of the Survival times of the Patients with AML (Acute Myeloid Leukemia) using Cox Proportional Hazard Model with changing form of the Hazard Function
... of hazard function. Thus, it is often informative to examine the hazard function when time to response data is being ...study Cox proportional hazard model is fitted to patient ...
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Estimation of the Survivorship Function Using the Cox-Proportional Hazard Model with Relaxed Tsiatis Assumptions
... the Cox-Proportional Hazard ...the hazard function of a particular factor of interest remains unchanged throughout the ...as Proportional Hazards. Tsiatis assumed that the underlying ...
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Life Duration of New Firms in Iranian Manufacturing Industries Using Cox Proportional Hazard Model
... the Cox proportional hazard model and concluded that there is a significant positive correlation between firm survival and these ...The Cox proportional hazard ...
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Effects of Collinearity on Cox Proportional Hazard Model with Time Dependent Coefficients: A Simulation Study
... regression model which takes into account the effect of censored observations is one the most applicative and used models in survival analysis to evaluate the effects of ...extended Cox regression ...
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Bayesian Spatial Cox Proportional Hazard Model For HIV Infected Tuberculosis Cases In Chennai
... and hazard rate of male having two fold comparing to ...effect model accounts higher heterogeneity (12.3) in our model which indicates that the regional variation and other environmental factors ...
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Using different anthropometric indices to assess prediction ability of type 2 diabetes in elderly population: a 5 year prospective study
... age. Cox proportional hazard model was used to calculate hazard ratio (HR) and corresponding 95% confidence intervals (CIs) of incident diabetes for different anthropometric ...
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... classical Cox proportional hazard model, that is popularly used to analyse survival data, cannot be used for modelling risk when the proportional hazard assumption is violated or ...
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What makes you go back home? Determinants of the duration of migration of Mexican immigrants in the United States
... the Cox proportional hazard model to estimate the impact of characteristics of the individual, household, destination and origin areas, and the effect of US migration policy on the ...
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Three Essays in Health Economics
... a Cox Proportional Hazard Model with time varying covariates is utilized to estimate the probability that an individual disengages from their career job, given they have not yet done ...
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Subsequent Thrombotic Outcomes in Patients with Ischemic Stroke with Antiphospholipid Antibody Positivity
... (Cox proportional hazard model), including sex, comorbid dia- betes mellitus, comorbid SLE, history of anticoagulation, and antiplatelet agent, there was no increased risk of subsequent ...
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Predicting hospital admission and discharge with symptom or function scores in patients with schizophrenia: pooled analysis of a clinical trial extension
... the Cox proportional hazard model with categorical time-dependent measures for the PSP (1 to 30, 31 to 70, 71 to 100) or PANSS (< 75, ≥ 75 to < 95, ≥ 95), as well as age, gender, ...
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Model-based estimation of measures of association for time-to-event outcomes
... the Cox proportional hazard ...a Cox model with a time dependent treatment effect (interaction treatment by time modeled with a B-spline with 1 knot at the median of the failure time ...
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Causes of culling in dairy cows and its relation to age at culling and interval from calving in Shiraz, Southern Iran
... In Cox proportional hazard model for calving to culling interval, infertility (hazard ratio [HR] = ...the Cox model for age at culling, risk of culling was significantly ...
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BRCA testing, treatment patterns and survival in platinum-sensitive recurrent ovarian cancer – an observational cohort study
... A Cox proportional hazard model was constructed from recurrence to death or time of last follow-up, whichever occurred earlier, by including patient demographics, clinical characteristic[r] ...
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Assessing the effect of a partly unobserved, exogenous, binary time-dependent covariate on survival probabilities using generalised pseudo-values
... a Cox regression model. The hazard ratios at 6 months and 5 years were estimated to be ...average hazard ratio of 0.91 (p = 0.39) from a Cox regression model with a ...
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Deriving Penalized Splines For Estimation Of Time Varying Effects In Survival Data
... to model and assess why certain subjects are exposed to a higher risk of experiencing an event of interest such as death, development of an adverse reaction or relapse of a given disease ...Cancer). Cox ...
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Phlebotomine mortality effect of systemic insecticides administered to dogs
... Methods: The phlebotomine mortality of four systemic insecticides in dogs was evaluated using two randomized clinical trials. For the first trial, thirty dogs were randomly allocated into five groups: four treatments and ...
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Generalized log-logistic proportional hazard model with applications in survival analysis
... Proportional hazard (PH) models can be formulated with or without assuming a probability distribution for survival ...semi-parametric Cox model which is by far the most popular in survival ...
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Instrumental Variable and Propensity Score Methods for Bias Adjustment in Non-Linear Models
... Under the null hypothesis of no treatment effect, 2SRI estimators are unbiased in all scenarios for Poisson, logistic and Cox proportional hazard models (Supplementary Figure 3.7,3.8, and 3.9). When ...
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Survival prediction based on compound covariate under cox proportional hazard models
... A potential extension of the proposed shrinkage method is the development of covariate selection. This is clearly an important issue in microarrays in which the focus is to select genes that achieve good predictive ...
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