İlker Ercan
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View article: Investigation of Intraoperative and Permanent Diagnostic Consistency in Glial Tumors Considering Rater and Technical Variability
Investigation of Intraoperative and Permanent Diagnostic Consistency in Glial Tumors Considering Rater and Technical Variability Open
Background and Objectives: One of the most critical areas of measurement and evaluation in healthcare is pathological evaluation, especially intraoperative consultation. Studies conducted to identify sources of error in this field are usua…
View article: Comparison of Heterogeneity Measures in Meta-Analysis
Comparison of Heterogeneity Measures in Meta-Analysis Open
Background: Heterogeneity assessment is critical in meta-analysis, as it determines the appropriateness of combining studies and affects result reliability. Cochran’s Q is the traditional test, nevertheless, it has low statistical power, s…
View article: Evaluation of Carotid Artery Intima Media Elasticity in Takayasu Arteritis by Shear Wave Elastography
Evaluation of Carotid Artery Intima Media Elasticity in Takayasu Arteritis by Shear Wave Elastography Open
This study aimed to evaluate carotid morphology with Ultrasound (US) and arterial stiffness with Shear Wave Elastography (SWE) in TA patients and to compare results with disease activity. We searched the clinical archive and found 41 Takay…
View article: Identification success rates in the post-Spanish Civil War mass graves located in the cemetery of Paterna, Spain: Meta-research on 15 mass graves with 933 subjects
Identification success rates in the post-Spanish Civil War mass graves located in the cemetery of Paterna, Spain: Meta-research on 15 mass graves with 933 subjects Open
Spain suffered a Civil War between 1936 and 1939 that ended with the victory of the National Forces led by General Franco. Once the Spanish Civil War ended, 2238 subjects were executed and buried in several mass graves in the Cemetery of P…
View article: Association Between Articular Eminence Structure and Joint Spaces in Temporomandibular Joints with Anterior Disc Displacement
Association Between Articular Eminence Structure and Joint Spaces in Temporomandibular Joints with Anterior Disc Displacement Open
Background and Aims: The association among the joint spaces, articular eminence morphology, and disc displacement is not well documented in the literature. This study aims to evaluate and compare the joint spaces and the articular eminence…
View article: Evaluation of the risk of thyroid cancer following hysterectomy through meta-analysis
Evaluation of the risk of thyroid cancer following hysterectomy through meta-analysis Open
We found that hysterectomy had a statistically significant risk effect on the development of thyroid cancer. The limited number of previous studies, the low amount of information, the lack of homogeneous distribution of the patients in the…
View article: Evaluation of sex dimorphism of the mandible with geometric morphometric analysis: conventional and reconstructed panoramic radiography study
Evaluation of sex dimorphism of the mandible with geometric morphometric analysis: conventional and reconstructed panoramic radiography study Open
The mandible dimorphism can be detected in the examination performed with geometric morphometric methods on cPR and rPR. While mandible shape differences according to gender are seen most in the ramus region in cPR, differences can be dete…
View article: Morphometric Shape Analysis of Corpus Callosum in Children with Down Syndrome
Morphometric Shape Analysis of Corpus Callosum in Children with Down Syndrome Open
OBJECTIVES Down Syndrome (DS, Trisomy 21) is the most common genetic disease that is characterized by varying degrees of mental retardation and delay in neurocognitive functions. Herein, we analyzed the morphometric shape of the corpus cal…
View article: The Effect of Online Education on Hidden Cirriculum During the Covid-19 Pandemic in Medical Faculties
The Effect of Online Education on Hidden Cirriculum During the Covid-19 Pandemic in Medical Faculties Open
Phenomenon : The hidden curriculum in medical education determines what kind of physicians students will become. Although the formal program affects students to become physicians, the hidden cirriculum has a much greater effect on this iss…
View article: Comprehensive Evaluation of Reference Values of Parametric and Non-Parametric Effect Size Methods for Two Independent Groups
Comprehensive Evaluation of Reference Values of Parametric and Non-Parametric Effect Size Methods for Two Independent Groups Open
In the field of health and other sciences, effect size (ES) provides a scientific approach to the effectiveness of treatment or intervention. The p-value indicates whether the statistical difference depends on chance, while ES gives inform…
View article: Evaluation of the effect values of risk factors by clustering method in patients who died due to COVID-19 disease
Evaluation of the effect values of risk factors by clustering method in patients who died due to COVID-19 disease Open
Objectives: The aim of this study is to determine the factors that may be associated with mortality in patients who died due to COVID-19 and to determine the effect sizes of the factors that make a statistically significant difference. Met…
View article: Co-Plot Method: A Research on Tobacco Control in the European Region
Co-Plot Method: A Research on Tobacco Control in the European Region Open
BACKGROUND: The aim of this study is to introduce the uncommonly used Co-Plot method which is called the multivariate graphical analysis and to apply this method to a data set including tobacco control in European region.METHODS: This stud…
View article: Statistical Errors in Medical Residency Theses
Statistical Errors in Medical Residency Theses Open
Objective: The aim of this study is to evaluate the theses of residency in medicine in terms of statistical errors made and thus to contribute to the production of quality scientific publications by ensuring that scientific publishers in t…
View article: Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study
Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study Open
Objective: To explore the possible relationship between vitamin D and coronavirus disease-2019 in an urban population known to have relatively low vitamin D levels. Method: The retrospective study was conducted in Bursa, Turkey, and compri…
View article: Seasonal influenza vaccine awareness and factors affecting vaccination in Turkish Society
Seasonal influenza vaccine awareness and factors affecting vaccination in Turkish Society Open
Objective: Influenza vaccine reduces the burden of seasonal influenza and related complications. Potential vaccination barriers need to be identified to raise awareness and increase acceptance. We aimed to investigate the rates of seasonal…
View article: F Approach Algorithm in Missing Landmark Problem
F Approach Algorithm in Missing Landmark Problem Open
Missing data may occur in every scientific studies. Statistical shape analysis involves methods that use geometric information obtained from objects. The most important input to the use of geometric information in statistical shape analysi…
View article: Knowledge and Attitudes Towards Antibiotics Use and an Examination on Patient’s Unrealistic Health Symptoms in Turkey
Knowledge and Attitudes Towards Antibiotics Use and an Examination on Patient’s Unrealistic Health Symptoms in Turkey Open
Background: This study aimed to assess the attitudes and knowledge of adult individuals about antibiotics. Since in Turkey, antibiotics are not sold without a prescription, it was also investigated whether Turkish people compelled physicia…
View article: Compliance with General Rules and Periodically Differences During the COVID-19 Pandemic in Türkiye: A Cross-Sectional Study
Compliance with General Rules and Periodically Differences During the COVID-19 Pandemic in Türkiye: A Cross-Sectional Study Open
Objective: The aim of this research is to investigate the compliance of the society with the general 14 rules of the Ministry of Health and the generally accepted hygiene rules recommended in the literature during the coronavirus disease-2…
View article: Corpus callosum in schizophrenia with deficit and non-deficit syndrome: a statistical shape analysis
Corpus callosum in schizophrenia with deficit and non-deficit syndrome: a statistical shape analysis Open
Background The corpus callosum (CC) is the most targeted region in the cerebrum that integrates cognitive data between homologous areas in the right and left hemispheres. Aims Our study used statistical analysis to determine whether there …
View article: Dental caries severity and related factors of 1307 Turkish boarding school children
Dental caries severity and related factors of 1307 Turkish boarding school children Open
Background: In Turkey, dental caries is a disease which still has been considering as a real public health problem. School children of lower socioeconomic status had greater caries experience and higher caries severity in both primary and …
View article: Evaluation of Nursing Students' Medical Waste Knowledge Level
Evaluation of Nursing Students' Medical Waste Knowledge Level Open
Aim: Failure to properly manage medical waste potentially exposes healthcare professionals, waste handlers, patients, and the general public to risks such as infection, toxic effects, injuries, and environmental pollution. The study was pl…
View article: Evaluation of Nursing Students' Medical Waste Knowledge Level
Evaluation of Nursing Students' Medical Waste Knowledge Level Open
Aim: Failure to properly manage medical waste potentially exposes healthcare professionals, waste handlers, patients, and the general public to risks such as infection, toxic effects, injuries, and environmental pollution. The study was pl…
View article: Evaluation of Thyroid Function Tests of Primary Hypothyroidism Diagnosed Cases’ by Using Big Data: 13-Year Single Center Experience
Evaluation of Thyroid Function Tests of Primary Hypothyroidism Diagnosed Cases’ by Using Big Data: 13-Year Single Center Experience Open
Objective: Our aim is to perform an analysis, using big data, of cases diagnosed with primary hypothyroidism and aged 18 and over who presented to our hospital, by evaluating the laboratory and socio-demographic data of the patients. Clust…
View article: Comparison of the Mantel-Haenszel and Peto Methods Used in Meta-Analysis: Methodological Study
Comparison of the Mantel-Haenszel and Peto Methods Used in Meta-Analysis: Methodological Study Open
Objective: Meta-analysis methods aim to achieve a single common summary statistic for the parameter estimation by combining homogeneous statistics from different studies. In this study, the performances of two of the most preferred meta-an…
View article: Examination of Incidences of HIV Infection and Tuberculosis in Some Selected European Countries with Statistical Process Control
Examination of Incidences of HIV Infection and Tuberculosis in Some Selected European Countries with Statistical Process Control Open
Objective: Statistical process control (SPC) is a method of analysis developed for examining the data of a process and which facilitates understanding of that process. The aim of this study is to investigate whether or not human immune def…
View article: Vitamin D status in the adult population of Bursa-Turkey
Vitamin D status in the adult population of Bursa-Turkey Open
Vitamin D levels <20 ng/mL are more prominent in women, and decline in spring, in the adult population of Bursa. These results are meaningful for the population living in Bursa, Turkey and the northern European region.
View article: Statistical shape analysis of hand and wrist in paediatric population on radiographs
Statistical shape analysis of hand and wrist in paediatric population on radiographs Open
Significant differences were found in hand and wrist shapes according to sex. Models for growth and allometry of hand and wrist shapes were found to be significant in children.