Ebrahim Hajizadeh
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View article: Development of a deep learning model for survival prediction in heart failure: competing risk and frailty model
Development of a deep learning model for survival prediction in heart failure: competing risk and frailty model Open
This study presents a novel deep learning (DL) framework, the Deep Neural Frailty Competing Risks (DNFCR) model, which simultaneously integrates frailty and competing risks (CR) for mortality prediction in heart failure (HF). While existin…
View article: Effect of Volunteer Management Based on the PEP Model on the Competence, Motivation, and Retention of Nursing Students: A Randomized Clinical Trial
Effect of Volunteer Management Based on the PEP Model on the Competence, Motivation, and Retention of Nursing Students: A Randomized Clinical Trial Open
Background: Voluntary activities are an emerging form of nursing education. Managing voluntary activities under a clear model can make students volunteering activities effective by creating a favorable work environment. The PEP (Personal P…
View article: Structural MRI Biomarkers Related to Cognitive Recovery and Resistance to Recovery Using the Penalized Mixture Cure Model
Structural MRI Biomarkers Related to Cognitive Recovery and Resistance to Recovery Using the Penalized Mixture Cure Model Open
View article: Machine Learning Predictive Models for Survival in Patients with Brain Stroke
Machine Learning Predictive Models for Survival in Patients with Brain Stroke Open
Background: This study aims to harness the predictive power of machine learning (ML) algorithms for accurately predicting mortality and survival outcomes in brain stroke (BS) patients. Methods: A total of 332 patients diagnosed with BS wer…
View article: Identifying Survival Subtypes of Esophageal Squamous Cell Carcinoma Patients: An Application of Deep Learning in Gene Expression Data Analysis
Identifying Survival Subtypes of Esophageal Squamous Cell Carcinoma Patients: An Application of Deep Learning in Gene Expression Data Analysis Open
Background: Esophageal squamous cell carcinoma (ESCC) is one of the most lethal types of cancer. Late diagnosis significantly decreases patient survival rates. Objectives: The study aimed to identify survival groups for patients with ESCC …
View article: Survival of patients with heart failure: a systematic review and meta-analysis protocol
Survival of patients with heart failure: a systematic review and meta-analysis protocol Open
Introduction: Heart failure (HF) is a chronic syndrome that necessitates patients' active management of symptoms and adherence to a complex medication regimen. Identifying and treating symptoms early are crucial components of heart failure…
View article: Analysis of the survival time of patients with heart failure with reduced ejection fraction: a Bayesian approach via a competing risk parametric model
Analysis of the survival time of patients with heart failure with reduced ejection fraction: a Bayesian approach via a competing risk parametric model Open
Purpose Heart failure (HF) is a widespread ailment and is a primary contributor to hospital admissions. The focus of this study was to identify factors affecting the extended-term survival of patients with HF, anticipate patient outcomes t…
View article: Evaluation Factors Affecting on Recurrence, Metastasis, and Survival of Breast Cancer in Iranian Women by Multi-State Model Approach
Evaluation Factors Affecting on Recurrence, Metastasis, and Survival of Breast Cancer in Iranian Women by Multi-State Model Approach Open
Background: We used the multistate model to investigate how prognostic factors of breast cancer are seen to affect the disease process. Methods: This cohort study was conducted at Motamed Cancer Institute of Tehran, Iran on 2363 breast can…
View article: Long-term outcomes of non-metastatic breast cancer patients by molecular subtypes
Long-term outcomes of non-metastatic breast cancer patients by molecular subtypes Open
Background Today, with the progress of medical sciences, increasing the cure probability and survival time is an important goal of cancer treatment. This study compared long-term disease-free survival (DFS) of non-metastatic breast cancer …
View article: Evaluation of Factors Related to Short-Term and Long-Term Survival of Breast Cancer Patients by Mixture Cure Model
Evaluation of Factors Related to Short-Term and Long-Term Survival of Breast Cancer Patients by Mixture Cure Model Open
Evaluation of Factors Related to Short-Term and Long-Term Survival of Breast Cancer Patients by Mixture Cure Model
View article: Comparison of breast cancer burden in Iranian women with Eastern Mediterranean region and prediction by exponential smoothing method
Comparison of breast cancer burden in Iranian women with Eastern Mediterranean region and prediction by exponential smoothing method Open
Comparison of breast cancer burden in Iranian women with Eastern Mediterranean region and prediction by exponential smoothing method
View article: Prognostic Factors Associated with Curing in Patients with Breast Cancer: A Joint Frailty Model
Prognostic Factors Associated with Curing in Patients with Breast Cancer: A Joint Frailty Model Open
Background: Recurrent event data arise frequently in longitudinal medical studies. In many situations, there are a large portion of patients without any recurrences, manifesting the “zero-inflated” nature of the data. Moreover, there often…
View article: Joint Modeling of Longitudinal Measurements and Multiple Failure Time Using Fully-specified Subdistribution Model: A Bayesian Perspective
Joint Modeling of Longitudinal Measurements and Multiple Failure Time Using Fully-specified Subdistribution Model: A Bayesian Perspective Open
In biomedical studies, competing risks framework in which an individual fails due to multiple causes is frequently available. Joint modeling of longitudinal measurements and competing risks has become prominent, recently. In this paper, we…
View article: VP05.03: Increased nuchal translucency and pregnancy outcome
VP05.03: Increased nuchal translucency and pregnancy outcome Open
To investigate the rate of chromosomal and/or structural abnormalities among fetuses manifesting increased nuchal transclucency. We studied the outcomes of all pregnancies presenting at our Clinic in Chania, Crete with elevated values of N…
View article: VP04.15: Prenatal diagnosis and outcome of fetal cystic hygroma
VP04.15: Prenatal diagnosis and outcome of fetal cystic hygroma Open
To investigate the outcome of fetuses with cystic hygroma diagnosed at the first trimester from a general population in Crete. The study included pregnancies either referred to or admitted to our clinic in the General Hospital of Chania du…
View article: VP57.06: Transvaginal ultrasound and digital examination in predicting successful labour induction
VP57.06: Transvaginal ultrasound and digital examination in predicting successful labour induction Open
To study the validity of transvaginal ultrasonography as a predictor of successful labour induction in comparison to Bishop score. 80 patients were evaluated with transvaginal ultrasound and digital vaginal examination, immediately prior t…
View article: VP11.07: Fetal urinary tract obstruction with normal amniotic fluid and outcomes
VP11.07: Fetal urinary tract obstruction with normal amniotic fluid and outcomes Open
To investigate the causes and outcomes in pregnancies where a lower urinary tract obstruction with normal levels of AF was diagnosed in the second trimester. We studied all pregnancies with a sonographic diagnosis of lower urinary tract ob…
View article: VP43.20: Perinatal outcomes of monochorionic‐diamniotic twin pregnancies
VP43.20: Perinatal outcomes of monochorionic‐diamniotic twin pregnancies Open
To evaluate and confirm the value of the second trimester ultrasound in predicting complications and adverse outcomes in monochorionic twin pregnancies, as well as comparing outcomes in mono- and dichorionic twin pregnancies. In this retro…
View article: Combining Multiple Imputation and Inverse-Probability Weighting for Analyzing Response with Missing in the Presence of Covariates
Combining Multiple Imputation and Inverse-Probability Weighting for Analyzing Response with Missing in the Presence of Covariates Open
Introduction: Missing values are frequently seen in data sets of research studiesespecially in medical studies.Therefore, it is essential that the data, especially in medical research should evaluate in terms of the structure of missingnes…
View article: Recurrent Event Analysis of Coronary Artery Stenosis in Patients Undergoing Angioplasty
Recurrent Event Analysis of Coronary Artery Stenosis in Patients Undergoing Angioplasty Open
Background: Restenosis after coronary angioplasty can have serious complications such as coronary artery bypass graft, myocardial infarction, and death. Objectives: The present study aimed at investigating the factors affecting the recurre…
View article: <p>Multistate Models to Predict Development of Late Complications of Type 2 Diabetes in an Open Cohort Study</p>
Multistate Models to Predict Development of Late Complications of Type 2 Diabetes in an Open Cohort Study Open
In addition to glycemic control, our study indicates that controlling hypertension and hyperlipidemia is more effective in reducing mortality and the diabetic macro- and microvascular complications.
View article: Simultaneous modeling of multiple recurrences in breast cancer patients
Simultaneous modeling of multiple recurrences in breast cancer patients Open
Introduction: Breast cancer is one of the most common recurrence cancers among women.There are several factors that can affect multiple recurrence of this disease.On the other hand, simultaneous examination of the types of relapses will ma…
View article: Clinicopathological features and survival of colorectal cancer patients younger than 50 years: a retrospective comparative study
Clinicopathological features and survival of colorectal cancer patients younger than 50 years: a retrospective comparative study Open
View article: Kernel and regression spline smoothing techniques to estimate coefficient in rates model and its application in psoriasis
Kernel and regression spline smoothing techniques to estimate coefficient in rates model and its application in psoriasis Open
Kernel and regression spline smoothing techniques to estimate coefficient in rates model and its application in psoriasis
View article: Multivariate Frailty Modeling in Joint Analyzing of Recurrent Events with Terminal Event and its Application in Medical Data
Multivariate Frailty Modeling in Joint Analyzing of Recurrent Events with Terminal Event and its Application in Medical Data Open
Background and Objectives: In many medical situations, people can experience recurrent events with a terminal event. If the terminal event is considered a censor in this type of data, the assumption of independence in the analysis of survi…
View article: Evaluation of the Factors Affecting Growth Impairment of Children Aged Below 6 Years by Using Marginal Models
Evaluation of the Factors Affecting Growth Impairment of Children Aged Below 6 Years by Using Marginal Models Open
Background: Child growth impairment (GI) causes much psychological, physical and economic harm to the community while a healthy growth and development at early childhood ensures access to a healthy society. Objectives: This study aimed to …
View article: Exploring the Contributory Factors of Confined Space Accidents Using Accident Investigation Reports and Semistructured Interviews
Exploring the Contributory Factors of Confined Space Accidents Using Accident Investigation Reports and Semistructured Interviews Open
Preventing confined space accidents requires addressing issues from the organizational to operator level and external influences beyond the organization. The recommended modifications provide a basis for accident investigation and risk ana…
View article: Identification of a Novel Genetic Signature in Staging of Colorectal Cancer: A Bayesian Approach
Identification of a Novel Genetic Signature in Staging of Colorectal Cancer: A Bayesian Approach Open
Background: Tumor stage is one of the most reliable prognostic factors in the clinical characterization of colorectal cancer. The identification of genes associated with tumor staging may facilitate the personalized molecular diagnosis and…
View article: Comparison of Random Forest and Logistic Regression Methods in Predicting Mortality in Colorectal Cancer Patients and its Related Factors
Comparison of Random Forest and Logistic Regression Methods in Predicting Mortality in Colorectal Cancer Patients and its Related Factors Open
Background and Objectives: The purpose of this study was to predict the mortality rate of colorectal cancer in Iranian patients and determine the effective factors on the mortality of patients with colorectal cancer using random forest and…
View article: Identification of associated risk factors for the severity of generalized anxiety disorder among Iranian infertile people: An ordinal regression analysis with a flexible link function
Identification of associated risk factors for the severity of generalized anxiety disorder among Iranian infertile people: An ordinal regression analysis with a flexible link function Open
Background: Generalized anxiety disorder (GAD) is a common disorder in infertile people. The aim of this study was the identification of associated risk factors for the severity of GAD in infertile people using an ordinal model with a flex…