Diagnostic accuracy of FEV1/forced vital capacity ratio z scores in asthmatic patients
نویسندگان
چکیده
منابع مشابه
Dual-energy X-ray absorptiometry diagnostic discordance between Z-scores and T-scores in a young Iranian population
Background: Dual-energy X-ray Absorptiometry (DXA) is considered the gold standard for non-invasive measurement of bone mass. T-scores and Z-scores are used to present the results of bone mass. The present study was designed to evaluate the discordance between T-scores and Z-scores calculated at a same level and its relation with age, gender and body mass index (BMI) in a representative sampl...
متن کاملVital capacity and inspiratory capacity as additional parameters to evaluate bronchodilator response in asthmatic patients: a cross sectional study
BACKGROUND Bronchodilator response in patients with asthma is evaluated based on post-bronchodilator increase in forced expiratory volume in one second (FEV1) and forced vital capacity (FVC). However, the need for additional parameters, mainly among patients with severe asthma, has already been demonstrated. METHODS The aim of this study was to evaluate the usefulness of vital capacity (VC) a...
متن کاملVariability and Diagnostic Accuracy of Speech Intelligibility Scores in Children.
PURPOSE We examined variability of speech intelligibility scores and how well intelligibility scores predicted group membership among 5-year-old children with speech motor impairment (SMI) secondary to cerebral palsy and an age-matched group of typically developing (TD) children. METHOD Speech samples varying in length from 1-4 words were elicited from 24 children with cerebral palsy (mean ag...
متن کاملDiagnostic accuracy of methacholine challenge tests assessing airway hyperreactivity in asthmatic patients - a multifunctional approach
BACKGROUND There are few studies comparing diagnostic accuracy of different lung function parameters evaluating dose-response characteristics of methacholine (MCH) challenge tests (MCT) as quantitative outcome of airway hyperreactivity (AHR) in asthmatic patients. The aim of this retrospectively analysis of our database (Clinic Barmelweid, Switzerland) was, to assess diagnostic accuracy of seve...
متن کاملdual-energy x-ray absorptiometry diagnostic discordance between z-scores and t-scores in a young iranian population
background: dual-energy x-ray absorptiometry (dxa) is considered the gold standard for non-invasive measurement of bone mass. t-scores and z-scores are used to present the results of bone mass. the present study was designed to evaluate the discordance between t-scores and z-scores calculated at a same level and its relation with age, gender and body mass index (bmi) in a representative sample ...
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ژورنال
عنوان ژورنال: Journal of Allergy and Clinical Immunology
سال: 2015
ISSN: 0091-6749
DOI: 10.1016/j.jaci.2015.02.027