نتایج جستجو برای: Negative predictive value
تعداد نتایج: 1316490 فیلتر نتایج به سال:
با گسترش روزافزون شبکه های کامپیوتری و استفاده از آن، مسائل امنیتی در این ارتباطات در سالهای اخیر اهمیت ویژه ای یافته است. بزرگترین خطر امنیتی که اینترنت در حال حاضر با آن مواجه است، انتشار سریع نرم افزارهای بدخواه اینترنتی است. طرحهای مبتنی بر امضا غالباً در تشخیص نرم افزارهای بدخواه یک روزه ناتوان بوده و با توجه به اینکه نوعاً نیازمند دخالت انسانی برای فرموله کردن امضاهای حملات جدید هستند، توان...
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objective: to determine the diagnostic value of serum white blood cell (wbc) count, fever (>38˚c) and wbc rise (>10%) for bacterial meningitis in patients with severe traumatic brain injury (tbi). m et h o d : this cross-sectional study was conducted in shahid rajaei hospital affiliated with shiraz university of medical sciences during a 1-year period from 2013 to 2014. we included consecutivel...
A study was carried out to evaluate E-Chart as a screening test for detecting myopia in school’s children in Hamadan, Iran A sample of 878 pupils was tested by a school nurse using E-Chart. According to the test, children with myopia were categorized in two group of negative and positive. All children who were categorized as positive and also a sample of negative and positive. All child...
Objective(s): We aim to investigate the clinical impact of 18F-FDG PET/CT in managing patients with gynecological malignancies and pelvic or extrapelvic lymph nodes that are of equivocal significance on conventional imaging.Methods: We retrospectively evaluated 18F-FDG PET/CT scans of patients with gynecologic tumors who were referred to King Hussein Cancer Center from January 2010 to August 20...
background helicobacter pylori infection is a common infection that affects human beings. this infection also affects children. different diagnostic methods such as serology, stool antigen detection, rapid urease test and histology are used to detect this microorganism. objectives the aim of this study was to determine the correlation between serology and histology/rapid urease test. patients a...
Introduction: This study aimed to compare the cytology results obtained by the conventional smear method with those obtained by the liquid-based method for the diagnosis of palpable breast masses in women referred to the clinic of Shahid Mohammadi Hospital in Bandar Abbas city. Methods: The research method was descriptive–cross-sectional. The research sample was selected based on purposive and ...
Introduction: Bleeding disorders are a common problem in daily practice, especially in premenopausal women. In our investigation, we compared the sensitivity and specificity of three different diagnostic methods Trans-vaginal sonography(TVS), saline infusion sonohystrography(SIS) and Hysteroscopy. Methods: It was a cross- sectional study with a study population of ninety-nine women suffering ...
Background: Researchers and health specialists are increasingly obtaining information on chronic illnesses from self-reports. This study validates self-reports of hypertension, based on a recently fielded survey in Mashhad City, Iran. Methods: In this cross-sectional study, we used the results of 2015 census in Mashhad City, a population based survey of people over the age of 30 (n=300745) to ...
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