Risk factors for infection and mortality among hemodialysis patients during COVID-19 pandemic.

Purpose: The aim of this study was to evaluate risk factors for COVID-19 infection and mortality and to document if any relation exists between 25 (OH) Vitamin D and COVID-19 infection.

Methods: This retrospective study evaluated 151 HD patients. Patients infected with COVID-19 were compared to patients without the infection.

Cyberbullying among Turkish high school students.

Cyberbullying, a new form of the traditional bullying that has been transferred to the electronic environments (social media, online gaming environments, blogs, etc.), from the physical context to the virtual context, refers mainly to aggression that is deliberately carried out by adolescents. This study aims to measure the level of cyberbullying in Turkish high school students living in Eastern Turkey and identify the demographic and socio-economic factors which lead to being bully and being cyberbullied.

The use of serum zinc to prostate-specific antigen ratio as a biomarker in the prediction of prostate biopsy outcomes.

Aim: To generate a combination of serum zinc (Zn) and prostate-specific antigen (PSA) in an attempt to provide better prediction of prostate biopsy outcomes with Zn/PSA ratios.

Materials & Methods: Diagnostic performances of PSA and Zn/PSA were investigated using receiver operating characteristic and the area under the curve analysis and McNemar test in 480 men. Decision curve analysis was also used to determine the net clinical benefits of the two parameters.

An Investigation into the Relationship among Psychiatric, Demographic and Socio-Economic Variables with Bayesian Network Modeling.

The aim of this paper is to investigate the factors influencing the Beck Depression Inventory score, the Beck Hopelessness Scale score and the Rosenberg Self-Esteem score and the relationships among the psychiatric, demographic and socio-economic variables with Bayesian network modeling. The data of 823 university students consist of 21 continuous and discrete relevant psychiatric, demographic and socio-economic variables. After the discretization of the continuous variables by two approaches, two Bayesian networks models are constructed using the b n l e a r n package in R, and the results are presented via figures and probabilities.

Test anxiety and self-esteem in senior high school students: a cross-sectional study.

Purpose: In this study, it is aimed to determine the level of test anxiety and self-esteem in the high school students preparing for the university exam in Bitlis, Turkey, and to investigate the effect of test anxiety on self-esteem.

Material And Methods: Seven-hundred and twenty-four high school students who were preparing for the university entrance examination in Bitlis participated in the study. A questionnaire which includes socio-demographic data form, Rosenberg Self-Esteem Scale and Revised Test Anxiety Scale was prepared as an e-questionnaire for the students to fill easily and uploaded to the Bitlis State Hospital's website.

Vitamin D Deficiency in Pregnant Women and Their Infants.

Objective: Vitamin D deficiency is a serious health problem despite a general improvement in socio-economic status in Turkey. The aim of this study was to evaluate maternal vitamin D status and its effect on neonatal vitamin D concentrations after a support programme for pregnant women was introduced. A second aim was to identify risk factors for vitamin D deficiency in a district of İstanbul.