نتایج جستجو برای: positive and negative likelihood ratios
تعداد نتایج: 16916709 فیلتر نتایج به سال:
background: brucellosis is a world-wide disease, which has a diverse clinical manifestation, and its diagnosis has to be proven by laboratory data. serum agglutination test (sat) is the most-widely used test for diagnosing brucellosis. the enzyme linked immunosorbent assay (elisa) can also determine specific antibody classes against brucella. it is a sensitive, simple and rapid test, which coul...
background: nasal fracture is a common fracture due to trauma. gold standard method in diagnosis of nasal fracture is clinical examination and radiography is used in legal situation. recently, ultrasound is recommended as a noninvasive and simple method in diagnosis of nasal fracture. this study investigates the role of ultrasound in diagnosis of nasal fracture. methods: 126 cases with suspecte...
aims: the internal unit and icu of hospitals are a suitable environment for growing of bacteria such as staphylococcus epidermidis and pseudomonas, acinetobacter. the aim of our study was to evaluate the effect of different disinfectants on bacteria isolated from the surface of hospitals in isfahan. instrument & methods: in this study, 200 samples were randomly selected from different parts of ...
conclusions it may be concluded based on the results of this study that unified transdiagnostic treatment is effective on recovery of social anxiety and negative and positive affects among the students. therefore, clinical therapists are advised to use this intervention. results results showed a significant difference between experimental and control groups in terms of social anxiety and negati...
background: magnetic resonance cholangiography (mrc) has gained popularity for diagnosing primary sclerosing cholangitis (psc). we determined the accuracy of mrc compared with endoscopic retrograde cholangiography (erc) for diagnosing psc. materials and methods: this retrospective case-control study was conducted on patients referred to an outpatient gastroenterology clinic from 2001 to 2013. p...
objective : poor premorbid adjustment has been reported to be a predictor of more severe psychotic symptoms and poor quality of life in such psychotic disorders as schizophrenia. however, most studies were performed on chronic schizophrenic patients, and proposed the likelihood of recall biases and the effect of chronicity. the aim of this study was to investigate these factors in a sa...
BACKGROUND Guidelines for perinatal mental health care recommend the use of two case-finding questions about depressed feelings and loss of interest in activities, despite the absence of validation studies in this context. We examined the diagnostic accuracy of these questions and of a third question about the need for help asked of women receiving perinatal care. METHODS We evaluated self-re...
conclusions although lap had good performance in early diagnosis of gas, a combination of clinical findings, including tonsillar exudates, petechiae with results of rapid antigen test or culture is necessary for clinician judgment. throat culture is the gold standard test for detecting group a streptococcal infection, but rapid test is a good replacement for culture. objectives the aim of this ...
BACKGROUND Despite extensive literature, the diagnostic role of d-dimer for deep venous thrombosis (DVT) or pulmonary embolism (PE) remains unclear, reflecting multiple d-dimer assays and concerns about differing sensitivities and variability. PURPOSE To systematically review trials that assessed sensitivity, specificity, likelihood ratios, and variability among d-dimer assays. DATA SOURCES...
چکیده : هدف پژوهش حاضر، تعیین نقش واسطهای اعتماد سازمانی در رابطه ی بین عدالت سازمانی و یادگیری سازمانی به روش تحلیل مسیر میباشد. برای این منظور با استفاده از روش نمونه گیری تصادفی ساده 1?0 نفر از کارکنان اداره ورزش و جوانان استان فارس انتخاب و به پرسشنامه های متشکل از ابعاد یادگیری سازمانی، عدالت سازمانی و اعتماد سازمانی پاسخ دادند. نتایج پژوهش به طور کلی نشان داد که رابطه ی عدالت سازمان...
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