Oya Kalaycioglu

Bolu Abant İzzet Baysal University · Department of Biostatistics and Medical Informatics

Handwashing is one of the most important means of reducing the spread of infection. In this study, we investigated how sink location and visibility influences handwashing and microbial contamination detected on clinical sinks in 3 pediatric intensive care units. We conclude that the visibility of sinks directly impacts on handwashing frequency and...

Multiple-imputation (MI) methods for imputing missing data in observational health studies with repeated measurements were evaluated with particular focus on incomplete time varying explanatory variables. Standard and random-effects imputation by chained equations, multivariate normal imputation and Bayesian MI were compared regarding bias and effi...

INTRODUCTION: Restless legs syndrome (RLS) is a condition that particularly urges at night in resting, and causes the need to move the legs. Although the pathophysiology has not yet been clarified, dopamine and iron metabolism and spinal cord pathologies are blamed for causing the condition. There are few studies on spinal reflex mechanisms on RLS....

Statement of problem The COVID-19 pandemic impacted every area of our lives, including delaying urgent dental care. However, studies evaluating how patients using dental prostheses have been affected by the pandemic are lacking. Purpose The purpose of this study was to investigate how patients using different types of dental prostheses were being...

Purpose Sedimentation sign was reported to have high sensitivity and specificity for diagnosis of lumbar spinal stenosis (LSS). We aimed to determine cerebrospinal fluid signal loss (CSFSL) at the intervertebral disc levels in the sagittal plane using a numerical scoring system and to evaluate the diagnostic value of this method in differential dia...

Objectives: The aim of this study was to investigate whether the presence and size of fibrous cysts affected postoperative results in patients undergoing hip arthroscopy. Patients and methods: Between January 2010 and December 2019, a total of 261 patients (138 males, 123 females; mean age: 39.5±11.9 years; range, 18 to 66 years) who underwent h...

Aim: This study aims to analyze the effect of symptomatic partial and full-thickness rotator cuff tears on humeral migration. The hypothesis of the study was that superior humeral migration varies according to the type of rotator cuff tear. Methods: 80 patients who underwent arthroscopic repair between 2017 and 2021 were retrospectively evaluated....

Background: Subacromial impingement syndrome is one of the most common causes of painful shoulder in the middle-aged and elderly population. Coracoacromial ligament (CAL) degeneration is a well-known indicator for subacromial impingement. Purpose: To examine the relationship between CAL thickness on preoperative magnetic resonance imaging (MRI),...

Background One of the greatest challenges in the diagnosis of acute mesenteric ischemia (AMI) is the lack of specific laboratory tests that support multidetector computed tomography (CT). Our aim is to investigate the diagnostic value of electrocardiographic QT parameters in AMI and their relationship with CT findings. Materials and Methods Patien...

z Amaç: Klinik olarak tek taraflı psödoeksfolyasyon sendromu ve psödoeksfolyasyon glokomu olan hastaların hasta gözleri ile klinik ola-rak sağlam olan diğer gözlerinin ön segment parametrelerini inceleyip, karşılaştırmak. Gereç ve Yöntem: Klinik olarak tek taraflı psödoeksfolyasyon sendromu olan 30 hastanın iki gözü ve klinik olarak tek taraflı psö...

To what extent an individual or group will be affected by the damage of a hazard depends not just on their exposure to the event but on their social vulnerability – that is, how well they are able to anticipate, cope with, resist, and recover from the impact of a hazard. Therefore, for mitigating disaster risk effectively and building a disaster-re...

The increasing density of urban spaces and buildings is undermining public health. To compensate, there is a growing trend towards biophilic design, including at one of the most frequented and highly functional sites: railway stations. Previous studies have confirmed the economic feasibility of station greenery and users' preference for this but al...

Objectives: In this study, we aimed to translate and culturally adapt the American Orthopaedic Foot and Ankle Society (AOFAS) Hallux Metatarsophalangeal (MTP)-Interphalangeal (IP) scale, which is used for the clinical assessment of patients with hallux valgus (HV), into Turkish and to evaluate its validity and reliability. Patients and methods:...

COVID-19 pandemisiyle birlikte toplumun çeşitli katmanlarında yadsınamaz değişimler yaşanmıştır. Koronavirüsün sağlık üzerindeki etkisinin yanında, pandeminin kendini en çok hissettirdiği alanlardan birisi de ekonomi olmuştur. Tüm dünyada, pandemiyle birlikte yaşanan kapanmalar ve alınan önlemler ile sağlık sektörünün üstlendiği yük ile birlikte mi...

Amaç: Bu çalışmada enflamasyon belirteci olarak kabul edilebilecek nötrofil/lenfosit ve platelet/lenfosit oranlarının kuru ve yaş tip ya-şa bağlı maküla dejenerasyonuyla olan ilişkisini araştırmak. Gereç ve Yöntem: Yaş tip yaşa bağlı maküla dejenerasyonu grubunda 57 hasta, kuru tip yaşa bağlı maküla dejenerasyonu grubunda 60 hasta ve kontrol grubun...

Purpose: This study aims to evaluate the reliability and validity of the Turkish version of the Subjective Health Complaints (SHC) inventory, which can be used to monitor health complaints experienced by the hospital support staff. Materials and Methods: In this methodological study, data were collected from 240 hospital support staff working in fi...

Introduction: Q fever is a zoonotic disease with a high seroprevalence in our region and a low awareness in our country. Patients who were diagnosed as having Q fever clinically, serologically, and radiologically during 2017-2020 were evaluated retrospectively and classified according to the organ involvement. Materials and Methods: The diagnosis w...

Aim: We aimed to determine the difference between cerebral perfusion and cortical thickness between first attack and recurrent in major depression patients. Material and Method: Our study was conducted prospectively between 01.03.2017-03.03.2018 in Izzet Baysal University Psychiatry department. 40 patients (21 first episodes and 19 recurrent episod...

Purpose: This study aims to assess the influence of superficial heat and Biofreeze on pain, mouth opening (mm), and quality of life in patients with masticatory myofascial pain syndrome (MPS). Materials and methods: 52 patients with MPS were included in the study. They were randomly divided into two groups. Patients in the Biofreeze group (n = 2...

Objective: The study aims to evaluate the presence of temporomandibular disorders (TMD) and their severity in asymptomatic and healthy individuals using the Fonseca anamnestic index. Materials and Method: A total of 135 individuals (80 females and 55 males, mean age 34.4±10.9) were involved in the study. The Fonseca anamnestic index was administer...

The aim of this study was to sonographically detect pulmonary edema, which is a major problem in pregnant women with preeclampsia, in the interstitial phase. We evaluated 41 preeclampsia patients and 21 control subjects prospectively. In the preeclampsia group, 26 patients had severe features, whereas the other 15 patients had none. To detect early...

Objective: The aim of the present study was to objectively and subjectively evaluate the effects of adding rhinophototherapy to intranasal beclomethasone dipropionate to treat nasal congestion in patients with seasonal allergic rhinitis. Method: Seventy-five seasonal allergic rhinitis patients were randomly divided into two groups. Patients in G...

Background: Anti-HCV antibody level screening is used in the diagnosis of HCV. However, a positive (S/Co > 1) result in the anti-HCV test does not always reflect true positivity. Antibody level results of S/Co ratio > 1 have to be validated through HCV RNA. In this study, we aimed to compare the signal-to-cutoff ratios of patients with positive (>...

Objective: This study aims to analyze the sinonasal anatomical variations accompanying the nasal septal deviation, the correlations between these variations, and their relationship with the septal deviation angle.Methods: In this retrospective study, preoperative paranasal computed tomography (CT) scans of 206 patients who underwent septoplasty bet...

This study is aimed at examining the manner of use of internet and phone surveys and making suggestions related to sample selection strategies during the COVID-19 outbreak. As the influence of the COVID-19 pandemic spreads worldwide, many researchers are engaged in telephone and internet surveys to assess the socioeconomic impacts of the outbreak o...

Objective: To investigate the etiologic, demographic, and clinical features of patients who were diagnosed as having acute stroke in the emergency department and thus, we aimed to contribute to the stroke data of our country, primarily to the data of our region. Materials and Methods: This study was retrospectively conducted on the data of 236 pati...

Objective: Estimation of sample size by power analysis is an oft-misinterpreted topic by medical researchers and ethical committee members. This study aims to answer the questions of non-statisticians regarding sample size, effect size and statistical power. Material and Method: In this context, the meaning of the effect size used in power analysis...

The purpose of this study was to evaluate the correlation between magnetic resonance imaging (MRI) findings and demographic and clinical characteristics, response to treatment times, and recurrence rates of Sydenham's chorea (SC), the most common of the acquired pediatric choreas. The clinical and radiological findings of 12 patients presenting to...