نتایج جستجو برای: sensitivity and specifity
تعداد نتایج: 16856502 فیلتر نتایج به سال:
انسداد حاد سیستم ادراری یکی از علل شایع مراجعه بیماران به کلینیک ارولوژی می باشد. انسداد سیستم ادراری توسط اروگرافی ترشحی و سی تی اسکن (که دارای عوارض ناشی از اشعه یونیزا و عوارض مواد حاجب می باشند)، mri و مواد رادیونوکلئید (که دارای هزینه بالا و صرف وقت زیاد می باشند.) و نیز روشهای تهاجمی نظیر پیلوگرافی آنته گرید و رتروگرید بررسی می گردد. سونوگرافی روشی غیر تهاجمی در بررسی انسادا سیستم ادراری ...
monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...
Introduction & Objective: β- hemolytic group A streptococcus is the most common cause of acute bacterial pharyngitis in children. Due to the high incidence of this disease and it's difficult diagnosis , we decided to compare clinical scoring and throat cultures for diagnosis of streptococcal pharyngitis. Materials & Methods: This cross-sectional analytic study was done on 3-16 year old patie...
the objective of this study was to compare an indirect elisa, based on a purified 60 kda envelope glycoprotein (gp51su), with a pourquire indirect elisa for the detection of antibodies to the bovine leukemia virus. for conducting this research, 340 serum samples were collected from two different breeds of cows (sarabi and holestin) in different herds. commercial elisa revealed positive results ...
sarcocystosis has been reported from most parts of the world, including ruminant animals in iran. based on this, immunoelectrophoresis profile of sarcocystis and comparison between serum and necropsy findings to determine sensitivity and specifity of counterimmunoelectrophoresis (cie) was undertaken. for this purpose, serum was collected from a total number of 100 sheep. soluble antigen provide...
propose: to evaluate the specifity and sensitivity of ocular sonography in the diagnosis of retinal detachment in the presence of vitreous hemorrhage. methods: this cross-sectional study included 47 (23 right eyes and 24 left eyes) eyes of 47 patients (18 male and 29 female subjects) with vitreous hemorrhage suspected of retinal detachment requiring surgery. preoperative ocular sonography was c...
fine- needle (fna) cytology of ovary is a simple method for evaluation of ovarian masses. but there is controversy about its reliability in differentiating between benign and malignant neoplasms. to evaluate the efficiacy of fna cytology in the distinction between benign and malignant masses of ovary, we examined 55 fine needle aspirations from 55 women 14-74 years of age. the aspirations were ...
ABSTRACT With considering of high prevalence of sinusitis and variable imaging modalities in diagnosis of it, we decided to evaluate sensitivity and specifity of plain x-ray in diagnosis of acute sinusitis. In this researeh , CTscan and plain x-ray findings of 83 patients with suspected acute sinusitis (by otorhinolayrngologist) - with considering of ethical and economic notices - were compar...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
cancer of the stomach carries poor prognosis. surgery is the best treatment for gastric cancer. prediction of survival depends on the stage at the time of presentation. fluoroscopy, sonography, and computerized tomography are used for advanced gastric cancers staging, but they are not accurate enough to grade advanced gastric cancers. laparoscopic findings of lesions under direct vision, are ma...
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