Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài : Development and psychometric assessment of the COPD and Asthma Sleep Impact Scale (CASIS) | Health and Quality of Life Outcomes BioMed Central Open Access Development and psychometric assessment of the COPD and Asthma Sleep Impact Scale CASIS Robin F Pokrzywinski 1 David M Meads2 Stephen P McKenna2 3 G Alistair Glendenning4 and Dennis A Revicki1 Address 1United BioSource Corporation Bethesda MD USA 2Health Outcomes Research Galen Research Manchester UK 3Department of Psychology University of Central Lancashire Preston UK and 4Novartis Research Center Horsham UK Email Robin F Pokrzywinski - David M Meads - dmeads@ Stephen P McKenna - smckenna@ G Alistair Glendenning - Dennis A Revicki - Corresponding author Published 7 December 2009 Received 30 April 2009 Health and Quality of Life Outcomes 2009 7 98 doi 1477-7525-7-98 Accepted 7 December 2009 This article is available from http content 7 1 98 2009 Pokrzywinski et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract_ Background Patients with respiratory disease experience disturbed sleep but there is no widely accepted measure of sleep impairment due to respiratory disease. We developed and evaluated the psychometric performance of a patient-reported measure to assess the impact on sleep due to respiratory disease the COPD and Asthma Sleep Impact Scale CASIS . Methods Identification of the items forming the CASIS was guided by patient interviews and focus groups. An observational study involving patients from the US and UK was then conducted to assess the psychometric characteristics of the measure. Results .
