Yazar "Bek Y." için listeleme
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Analysis of proportional hazards assumption in Cox regression model using residuals and an application on lung cancer patients
Terzi Y.; Cengiz M.A.; Bek Y. (Turkiye Klinikleri, 2005)Objective: To aim of this study was to investigate proportional hazards assumption in Cox regression model with application to patients with lung cancer. Material and Methods: Two-hundred twenty-seven patients with lung ... -
The analysis of receiver operating characteristic curve and comparison of the areas under the curve
The evaluative operations used to make a decision depending on laboratory techniques, clinical observations or various measurements to determine if individuals are healthy or not are called diagnostic tests. A positive or ... -
A Bayesian approach for assessing arterial occlusive disease
Cengiz M.A.; Terze Y.; Bek Y. (2004)Arterial Occlusive disease is a severe ailment, which consists of the partial blockage (stenoses) of an artery, leading to a diminished flow of blood and corresponding pain. In this study, bivariate generalized linear ... -
The comparison of effectiveness of alendronate and risedronate in osteoporosis treatment
Objective: This study was performed to compare the effects of once weekly alendronate sodium and once weekly risedronate sodium treatment on bone mineral density (BMD) in postmenopausal osteoporotic women. Materials and ... -
Dermoscopic and histopathological correlation in melanocytic and non-melanocytic lesions
Gökdemir A.; Güler Özden M.; Bek Y.; Aydin F.; Şentürk N.; Cantürk T.; Turanli A.Y. (2011)Objective: Dermoscopy is widely used in the differantial diagnosis of melanocytic and non-melanocytic skin lesions and increases the preoperative diagnostic accuracy. Our aim is to evaluate the diagnostic accuracy of ... -
The efficiency of different trauma scoring systems in evaluation of pediatric trauma
Güven H.; Bek Y.; Baydin A.; Altintop L.; Aygün D.; Doğanay Z. (2001)The aim of this study was to outline the efficiency of different trauma score systems in determining the prognosis of pediatric trauma. In this study, we conducted the analysis of standard forms of 249 children admitted ... -
Evaluation of operation and death statistics at surgical procedures by using attribute control charts
Statistical Process Control (SPC) is a technique that enables the quality controller to monitor, analyze, predict, control, and improve a production process through control charts. So to use of SPC in medical field is very ... -
In acute organophosphate poisoning, the efficacy of hemoperfusion on clinical status and mortality
Altintop L.; Aygun D.; Sahin H.; Doganay Z.; Guven H.; Bek Y.; Akpolat T. (SAGE Publications Inc., 2005)The aims of this study were to report experience in patients with organophosphate poisoning (OPP) and to discuss the potential role for hemoperfusion (HP) in the management of severe OPP. At the emergency service of a ... -
The influence of socio-demographic features and rotation of plastic, reconstructive and aesthetic surgery on the attitudes of Turkish medical students' choice of careers
Odaci H.; Guneren E.; Bek Y. (2005)The choice of specialization branch is one of the most important decisions for the medical students during the medical education all over the world. It is known that short rotation period causes insufficient information ... -
Investigation of autonomic neuropathy in diabetic patients with distal symmetric neuropathy via clinical and electrophysiological tests
Tunali G.; Bebek Yilmaz Z.; Bek Y. (Turkiye Klinikleri, 2014)Objective: Diabetic autonomic neuropathy is a common, serious and even fatal complication. The aim of this study was to investigate the autonomic functions in diabetic patients with distal symmetric polyneuropathy, via ... -
Lack of evidence for association between endothelial nitric oxide synthase gene polymorphisms (T-786C AND G894T) and early-onset coronary artery disease
Kara N.; Yesildag O.; Yigit S.; Yuksel S.; Bagci H.; Bek Y. (Asian Network for Scientific Information, 2007)In this study, we investigated the association of two genetic variants of the endothelial nitric oxide synthase (eNOS), T786C and G894T, with CAD. Polymerase chain reaction and restriction fragment length polymorphism ... -
Laparoscopic cholecystectomy results in patients with different age groups
Yetim I.; Dervişoğlu A.; Karaköse O.; Büyükkarabacak Y.; Bek Y.; Erzurumlu K. (Derman Medical Publishing, 2011)Aim Laparoscopic cholecystectomy (LC) has been most preferable method for benign gallbladder disease. Advanced age may be increased morbidity and mortality. The aim of this study was to compare the results of LC in patients ... -
Nail involvement in psoriatic patients and NAPSI-PASI correlation
Güler Özden M.; Çelik F.; Aydin F.; Şentürk N.; Bek Y.; Cantürk T.; Turanli A.Y. (2010)Objective: Our aim is to investigate the nail involvement, NAPSI scores and prospectively analyze the correlation of these scores with PASI scores in psoriatic patients. Material and Methods: Seventy-two patients with ... -
Praziquantel-dymethylsuifoxide solution: The side effect on hepato-biliary system (an experimental study)
Yetim I.; Büyükkarabacak Y.; Erzurumlu K.; Dervişoğlu A.; Hökelek M.; Bariş S.; Bek Y. (Derman Medical Publishing, 2010)Aim In this experimental study, the side effects of praziquantel and dymethylsulfoxide on the hepatobiliary system has been investigated comparing with alcohol, hypertonic and normal saline. Material and Methods This study ... -
Risk factors for and effect of a one-year surveillance program on surgical site infection at a University Hospital in Turkey
Kaya E.; Yetim I.; Dervisoglu A.; Sunbul M.; Bek Y. (2006)Background: Surveillance of surgical site infection (SSI) is one of the most effective methods for decreasing the incidence. We determined the risk factors for SSI and the effect of a one-year surveillance program on the ... -
Subfebrile fever after shoulder arthroscopy: Is it a complication or benign transient situation?
Pişkin A.; Kelsaka E.; Zengin E.C.; Bek Y.; Gülman B.; Erdoğan M. (Ondokuz Mayis Universitesi, 2013)We have evaluated 57 patients retrospectively who underwent arthroscopic and mini-open surgery in our clinic between 24.12.2009-31.12.2011. Twenty of 34 patients with impingement syndrome were treated by arthroscopic surgery ... -
Trichogram findings in psoriasis and seborrheic dermatitis patients
Denizli H.; Özden M.G.; Şentürk N.; Bek Y. (OrtadogŸu Reklam Tanitim Yayincilik Turizm Egitim Insaat Sanayi ve Ticaret A.S., 2017)Our aim is to investigate a relationship between trichogram findings and demographic/ clinical features in psoriasis and seborrheic dermatitis patients. Trichogram method may be instructive in differentiation of these two ...