in the previous two parts of educational manuscript series in emergency, we explained some screening characteristics of diagnostic tests including accuracy, sensitivity, specificity, and positive and negative predictive values. in the 3rd  part we aimed to explain positive and negative likelihood ratio (lr) as one of the most reliable performance measures of a diagnostic test. to better underst...

emergency physicians face numerous questions regarding proper management of patients and selection of the best laboratory test or imaging every day. knowledge on screening performance characteristics of the diagnostic tools used in this department plays an important role in finding the answers to these questions. we assessed these characteristics in the previous parts of educational article ser...

background & aim: breast cancer is recognized as the most common type of cancer among iranian women. cancer screening and early diagnosis are among the most effective strategies to reduce the associated mortality and healthcare costs. accordingly, the aim of this study was to investigate the level of knowledge and practice of breast cancer screening among women referred to hospitals affiliated ...

background: in view of the importance of teachers and faculties in changing the perspective of population on this issue, and also the increasing rate of prostate cancer screening, the present study was carried out to evaluate the knowledge base, attitude and performance of teachers and faculty members in relation to prostate cancer screening test. objective: in this study,we evaluated the teach...

More firms today are beginning to realise the importance of corporate social responsibility (CSR), and its impact on societal well being, apart from the overall governance of the supply chain processes of every organisation. Ratings are being developed to measure performances of most firms with regard to their CSR efforts besides their financial performance. This rating would then be used to me...

introduction: rapid diagnosis of traumatic intrathoracic injuries leads to improvement in patient management. this study was designed to evaluate the diagnostic value of chest radiography (cxr) in comparison to chest computed tomography (ct) scan in diagnosis of traumatic intrathoracic injuries. methods: participants of this prospective diagnostic accuracy study included multiple trauma patient...

Background Currently, almost all patients with probable abdominal injury undergo urinalysis in emergency department (ED). The present survey was conducted with the aim of assessing the diagnostic values of urinalysis compare with abdominal computed tomography (CT) scan with contrast for predicting possible intra-abdominal injuries in children affected by blunt trauma. Materials and Methods: The...

BACKGROUND Data from BreastScreen Australia Screening and Assessment Services (SAS) for 2002-2010 were analysed to determine whether some SAS characteristics were more conducive that others to high screening performance, as indicated by high priority performance indicators and standards. MATERIALS AND METHODS Indicators investigated related to: numbers of benign open biopsies, screen-detected...