نتایج جستجو برای: diagnostic specificity

تعداد نتایج: 368281  

Journal: :iranian journal of public health 0
z momeni j massoud mb rokni

human visceral and ocular toxocariasis can occasionally be a serious or life-threatening condition, especially for children. the diagnosis and confirmation of the disease mostly based upon serological tests. the purpose of the present study was to evaluate somatic antigen with regard to its application in a routine diagnostic laboratory test. using gel-filtration chromatography, fraction no.1 o...

Mehrdad Solooki, Mirmohamad Miri,

Background: Blind percutaneous pleural biopsy has traditionally been performed to investigate the etiology of exudative pleural effusion in which the initial thoracocentesis has been non- diagnostic. In view of the increasing use of image-guided and thoracoscopic pleural biopsies, this study examined the role of blind Abrams pleural biopsy in the investigation of the exudative pleural effusion ...

Journal: :Methods in molecular biology 2003
Konrad Sachse

Journal: :Pain 2010
R Norman Harden Stephen Bruehl Roberto S G M Perez Frank Birklein Johan Marinus Christian Maihofner Timothy Lubenow Asokumar Buvanendran Sean Mackey Joseph Graciosa Mila Mogilevski Christopher Ramsden Melissa Chont Jean-Jacques Vatine

Current IASP diagnostic criteria for CRPS have low specificity, potentially leading to overdiagnosis. This validation study compared current IASP diagnostic criteria for CRPS to proposed new diagnostic criteria (the "Budapest Criteria") regarding diagnostic accuracy. Structured evaluations of CRPS-related signs and symptoms were conducted in 113 CRPS-I and 47 non-CRPS neuropathic pain patients....

ترابی زاده , ژیلا, عمادیان , امید, قائمیان , علی, قهرمانی , مهران, نقش وار , فرشاد,

Background and purpose: Pleural effusion is a common finding in many pulmonary or extrapulmonary diseases and its analysis is essential for differentiating transudates from exudates. Light's criteria is questioned by some researchers and measuring of cholesterol in pleural effusion is proposed due to its simplicity and low cost. This study evaluates the diagnostic value of pleural fluid chole...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
s. valizadeh e. mohammad rabie z. azizi

objective: the diagnosis of vertical root fracture (vrf) in endodontically treated teeth is a clinical challenge due to lack of specific clinical and radiographic signs. although radiographic evaluation such as cbct is helpful, intracanal posts can produce artifacts and may impair the quality of cbct scans. this study aimed to compare the diagnostic accuracy of different resolutions of cbct in ...

Journal: :iranian journal of pathology 2008
abolfazl khoshdel mahdi mahmoudzadeh soleiman kheiri reza imani ghorbanali shahabi

background and objective: according to the fact that neonatal infection is a challenging diagnosis field, several studies have tried to test sensitivity and specificity of diagnostic tests. this study was conducted to evaluate the sensitivity and specificity of procalcitonin (pct) as a single early marker of neonatal sepsis. materials and methods: in this study, 150 neonates admitted to nicu an...

جعفری, فرهاد, رمضانعلی, فریبا, شمسی پور, منصور, نوروزی, مهدی, چهرازی, محمد,

Background & Objectives: One of the problems of diagnostic accuracy studies is verification bias. It occurs when standard test performed only for non-representative subsample of study subjects that diagnostic test done for them. In this study we extend a Bayesian method to correct this bias. Methods: Patients that have had at least twice repeated failures in cycles IVF ICSI were included i...

Journal: :Annals of internal medicine 1997
A J Saah D R Hoover

Imprecise usage of the terms "sensitivity" and "specificity" produces confusion in the diagnostic use of sophisticated laboratory test results. "Analytical sensitivity" represents the smallest amount of substance in a sample that can accurately be measured by an assay. "Analytical specificity" refers to the ability of an assay to measure on particular organism or substance, rather than others, ...

حسامی رستمی , جعفر, عبدی , روح اله, کوثریان , سیداحمدشهاب, یونسی رستمی , مهدی,

Background and purpose: Çlinical symptoms of obstructive ureteral stones are very disturbing. Ïnfection, hematuria and renal insufficiency are its complications. Ïn the recent decades ÏVP has been a selective standard method in diagnosis of the causes of ureteral colic. But in many cases there are contraindications and limitations in this procedure. The aim of this study was to determine t...

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