نتایج جستجو برای: positive and negative likelihood ratios
تعداد نتایج: 16916709 فیلتر نتایج به سال:
OBJECTIVES To review the literature and evaluate the evidence for the diagnostic outcome of arthrography, computed tomography (CT) and magnetic resonance imaging (MRI) in the assessment of temporomandibular joint (TMJ) disc position. METHODS A literature search from 1978 to 1994 was conducted. Data on sensitivity, specificity, predictive values and likelihood ratios were collected and, if not...
BACKGROUND This study was conducted to assess the accuracy and feasibility of diagnostic hysteroscopy in the evaluation of intrauterine abnormalities in women with abnormal uterine bleeding. SEARCH STRATEGY Electronic databases were searched from 1 January 1965 to 1 January 2006 without language selection. The medical subject heading (MeSH) and textwords for the following terms were used: hys...
PURPOSE To investigate the usefulness of 3 tasks known to be effective diagnostic clinical markers of specific language impairment (SLI) in children: (a) nonword repetition, (b) sentence repetition, and (c) grammaticality judgments of finiteness marking. METHOD Two groups of young adults, 13 with SLI and 18 with typical language, completed 3 experimental tasks: (a) nonword repetition, (b) sen...
OBJECTIVE To investigate the recognition of depressive symptoms of major depressive disorder (MDD) by general practitioners. INTRODUCTION MDD is underdiagnosed in medical settings, possibly because of difficulties in the recognition of specific depressive symptoms. METHODS A cross-sectional study of 316 outpatients at their first visit to a teaching general hospital. We evaluated the perfor...
as a culture-based phenomenon which involves both linguistic and social aspects, translation has beeninvestigated from various perspectives. the present critical discourse analysis (cda)-based study isan attempt to probe into the manipulation of ideologies in translations of political texts. a cda approach,based on fairclough (1989), van dijk (2004) and farahzad (2007), was adopted to conductth...
computer anxiety as a kind of state anxiety that refer to “the negative emotional and cognitive reactions in some people that occur during work with the computer” and maybe considered as a challenge to their capabilities. in the present study, computer anxiety and positive and negative attitudes to it were examinated among undergraduate students of kangavar payam-e-noor university. this descrip...
as a culture-based phenomenon which involves both linguistic and social aspects, translation has beeninvestigated from various perspectives. the present critical discourse analysis (cda)-based study isan attempt to probe into the manipulation of ideologies in translations of political texts. a cda approach,based on fairclough (1989), van dijk (2004) and farahzad (2007), was adopted to conductth...
OBJECTIVE To determine the diagnostic accuracy of two verbally asked questions for screening for depression. DESIGN Cross sectional criterion standard validation study. SETTING 15 general practices in New Zealand. PARTICIPANTS 421 consecutive patients not taking psychotropic drugs. MAIN OUTCOME MEASURES Sensitivity, specificity, and likelihood ratios of the two questions compared with t...
PURPOSE The purpose of this systematic review was to assess the accuracy of 64-slice CT coronary angiography for the diagnosis of coronary artery disease. METHODS We attempted to identify all published trials in all languages that used 64-slice CT to diagnose coronary artery disease. Results of 64-slice CT coronary angiography were compared with invasive coronary angiography or intravascular ...
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