نتایج جستجو برای: sensitivity specificity
تعداد نتایج: 407808 فیلتر نتایج به سال:
Objective- One of the important causes of nasal fracture is a trauma that can be diagnosed in clinical examinations and diagnostic imaging but it should be noted that radiography may show false fractures in the nose. This study evaluates the value of ultrasonography in the diagnosis of nasal fractures and compared it with plain radiography. Design- Retrospective study. Animals- 12 d...
Background: Cervical cancer is the third most common gynecologic cancer in women worldwide. Cervical cancer has lower incidence and mortality rates than uterine corpus and ovarian cancer, as well as many other cancer sites. Unfortunately, in countries that do not have access to cervical cancer screening and prevention programs, cervical cancer remains the second most common type of cancer. Stag...
Background: Colorectal Cancer (CRC) is the third common cancer in the world. One of the pathways in colorectal tumor genesis is Microsatellite Instability (MSI+). MSI is detected in about 15% of all colorectal cancers. Colorectal tumors with MSI have dis-tinctive features compared with Microsatellite Stable (MSS) tumors. Due to the high percentage of MSI+ in patients with CRC in Iran, screening...
Bladder cancer is one of the most common forms of cancers in the world. The current gold standards for itsdiagnosis are cystoscopy and urine cytology. Cystoscopy, a naked eye assessment of the bladder, is invasive, uncomfortable and costly with a great deal of personal variability in its results; while urine cytology has high specificity but low sensitivity, particularly for low-grade les...
Background: The purpose of this study was evaluation of risk factors of peripheral artery disease (PAD) and effective markers on it.Methods: This descriptive-analytical study was done during 2010-2011 in the surgical units of Khorramabad Shohada Hospital. Fifty patients who had symptoms of PAD undergoing CT angiography and biochemical markers for them were measured. The investigated variables w...
BackgroundandObjectives:RapidandaccuratedetectionofmethicillinresistantStaphylococcus aureus (MRSA) is an important role of clinical microbiology laboratories to avoid treatment failure. The aim of this study was to compare conventional methods against the E-test minimum inhibitory concentration (MIC) method to determine the best phenotypic method. Materials a...
سیگنال تغییرپذیری نرخ ضربان قلب (hrv) یک ابزار غیرتهاجمی مشهور برای ارزیابی وضعیت سیستم قلبی- عروقی و نیز اعصاب خودمختار می?باشد. تحقیقات اخیر نشان داده?اند که ساختار مولد این سیگنال، یک ساختار خطی ساده نیست بلکه شامل مولفه?های غیرخطی می?باشد که به عوامل هورمونی و نورونی وابسته است. لذا از آنجاییکه تحلیلهای کلاسیک، تنها رفتارهای خطی و پریودیک موجود در سیگنال را بررسی می?کنند، ارتباطات پیچیده?تر...
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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