Cox Proportional Hazard
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 model and log ...
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Survival prediction based on compound covariate under cox proportional hazard models
... Survival prediction from a large number of covariates is a current focus of statistical and medical research. In this paper, we study a methodology known as the compound covariate prediction performed under univariate ...
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Bayesian Spatial Cox Proportional Hazard Model For HIV Infected Tuberculosis Cases In Chennai
... semi-parametric Cox proportional hazard model shows the non-frailty, frailty and Spatial frailty for Cox model to HIV infected TB data with considering the covariates age, treatment (cat),sex ...
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A STUDY OF THE SLOPE OF COX PROPORTIONAL HAZARD AND WEIBULL MODELS: SIMULATED AND REAL LIFE DATA APPROACH
... the hazard function is completely specified except for the values of the unknown ...satisfied, Cox Proportional Hazard Model will be used, although semi-parametric, because it possessed a ...
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Effects of Collinearity on Cox Proportional Hazard Model with Time Dependent Coefficients: A Simulation Study
... extended Cox regression model was considered for ...the Cox proportional hazard method for estimating survival time has been an attractive area of research in recent ...classical Cox ...
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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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Modeling time to recovery of adult diabetic patients: a comparison of cox proportional hazard and shared gamma frailty models
... After controlling for other prognostic factors and accounting for frailty in table 3, patients with age group 30-44, 45-59, 60- 74 or >74 are recovered 0.679, 0.525, 0.273 and 0.159 times age group of 18-29. Being ...
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The predictors of 3 and 30 day mortality in 660 MERS CoV patients
... died. Cox proportional hazard multivariate analysis identified several independent predictors of 3-day mortal- ity in MERS-CoV ...(adjusted hazard ratio [aHR]: ...
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Increased risk for urological cancer associated with anxiety disorder: a retrospective cohort study
... stratified Cox proportional hazard regression suggested that patients with ADs were more likely to develop urological cancers relative to comparison subjects (adjusted hazard ratio, ...
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The human C-type lectin 18 is a potential biomarker in patients with chronic hepatitis B virus infection
... Multivariate Cox proportional hazard regression analysis identified a baseline plasma CLEC18 level of 320 – 2000 pg/mL to be an independent predictor of HBeAg loss (hazard ratio (HR): ...
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Survival Analysis in Modeling the Birth Interval of the First Child in Indonesia
... the Cox proportional hazard method is ...the proportional hazard test is conducted to show that the covariate of age is not proportional, the generalized Cox ...
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Persistent Organochlorine Exposure and Pregnancy Loss: A Prospective Cohort Study
... activity. Cox proportional hazard regression adjusting for age (categorized 24 - 29, 30 - 34) and average standardized alcohol and cigarette intake (con- tinuous) was used to estimate hazard ...
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Deriving Penalized Splines For Estimation Of Time Varying Effects In Survival Data
... Cancer). Cox proportional hazard(CPH) model is the most popular regression model used for the analysis of survival ...the Cox model is the linearity of the covariates variables on the log ...
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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 higher for ...
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Statins Effects on Diabetic Retinopathy Among Patients with Type 2 Diabetes Mellitus
... Multivariable Cox proportional hazard regression modeling recognized factors accompanied with the risk of emerging diabetic ...(HbA1c). Hazard ratios (HRs) with confidence intervals (CIs) 95% ...
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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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Pulmonary venous occlusion and death in pulmonary arterial hypertension: survival analyses using radiographic surrogates
... Cox proportional hazard analysis found that thicken- ing of the interlobular septa was also associated with a seriously increased risk of death (p < ...0.001; hazard ratio [95%CI] = ...
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EPH/ephrin profile and EPHB2 expression predicts patient survival in breast cancer
... The clinical role of EPHB2 in breast cancer is not well established. High EPHB2 protein expression has been associated with shorter overall survival [23]. The authors reported high EPHB2 cytoplasmic protein and mRNA ...
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Prognostic factors of nasopharyngeal carcinoma patients in a tertiary referral hospital: a retrospective cohort study
... multivariate Cox proportional hazard regression model of prognostic factors associated with the survival of NPC patients in Hospital USM (n = ...
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CYP19A1 promoter methylation in saliva associated with milestones of pubertal timing in urban girls
... We examined relationships among methylation and study characteristics with parametric (t-tests) and non-para- metric (Mann-Whitey U tests) statistics and multivariate linear regression. Cox proportional ...
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