نتایج جستجو برای: sensitivity specificity
تعداد نتایج: 407808 فیلتر نتایج به سال:
hyperbilirubinemia is a common problem in neonates and causes serious complications. thus, serial measurements of bilirubin should be done. this assessment is done through two methods of laboratory measurement in serum sample and transcutaneous bilirubinometer. this descriptive study compared transcutaneous bilirubin assessment and laboratory serum bilirubin. bilirubin level was assessed among ...
emergency physicians, like other specialists, are faced with different patients and various situations each day. they have to use ancillary diagnostic tools like laboratory tests and imaging studies to be able to manage them. in most cases, numerous tests are available. tests with the least error and the most accuracy are more desirable. the power of a test to separate patients from healthy one...
ôbjective: the mood disorder questionnaire (mdq) has been designed as a screening self-report inventory for diagnosing bipolar mood disorders. this study investigated the validity and the optimal cut-off threshold of the persian version of mdq in a group of ïranian depressive patients. methods: ône hundred and twenty patients with probable diagnosis of mood disorders attending psychiatric clini...
abstract background the aim of this study was to evaluate sensitivity and specificity of mediastinal sonography, and compared with ct, in detection of anterior mediastinal neoplasms. materials and methods the sonography with convex probes (5.0 and 7.5 mhz) was done prospectively for 34 patients (from 2 to 25 years old) with mediastinal mass. the results were compared with the results of contras...
introduction amblyopia is a leading cause of visual impairment in both childhood and adult populations. our aim in this study was to assess the epidemiological characteristics of the amblyopia screening program in iran. materials and methods a cross-sectional study was done on a randomly selected sample of 4,636 iranian children who were referred to screening program in 2013 were participated i...
background in 1996, donovan and colleagues represented a scoring system for better prediction of hirschsprung disease (hd). objectives our objective was to devise another scoring system that uses a checklist of radiologic and clinical signs to determine the probability of hd in suspicious patients. patients and methods in a diagnostic accuracy study, 55 children with clinical manifestations of ...
in endemic area the most challenging problem for brucellosis is to find a reliable diagnostic method. in this case-control study, we investigated the accuracy of elisa test for diagnosis of human brucellosis and determined the optimal cut-off value for elisa results in iran. the laboratory diagnosis of brucellosis was performed by blood isolation of brucella organism with a bactec 9240 system a...
objectives: this study aimed to assess the effect of voxel size and object location in the field of view (fov) on diagnostic accuracy of cone beam computed tomography (cbct) for detection of simulated bone defects. materials and methods: in this in vitro study, bone defects were drilled in four sections of a dry human mandible. bone blocks were fixed on a platform parallel to the horizontal pla...
background: breast cancer is one of the most important diseases in females. malaysian women have not excluded. according to the malaysian oncology society [1], about 4% of women (who are 40 years old and above) have involved by breast cancer. masses and microcalcifications are two important signs for breast cancer diagnosis on mammography. according to our estimation, radiologists could diagnos...
introduction: helicobacter pylori, as an etiologic cause of peptic ulcers and gastric cancer, should be tested and treated. the true state of infection can only be detected by isolation of gastric biopsies through the invasive method of gastroscopy. however, there are several non-invasive methods for detection of infection, the most common of which is serology. methods: here we have evaluated t...
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