Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài :Psychometric properties of a single-item scale to assess sleep quality among individuals with fibromyalgia | BioMed Central Health and Quality of Life Outcomes Research Psychometric properties of a single-item scale to assess sleep quality among individuals with fibromyalgia Joseph C Cappelleri1 Andrew G Bushmakin1 Anne M McDermott2 Alesia B Sadosky 3 Charles D Petrie1 and Susan Martin4 Open Access Address 1Pfizer Inc Global Research and Development 50 Pequot Avenue New London Connecticut 06320 USA 2Outcomes Research Consultant 13104 Riviera Terrace Silver Spring Maryland 20904 USA 3Pfizer Inc. Global Outcomes Research 235 East 42nd Street New York New York 10017 USA and 4Pfizer Inc Global Outcomes Research 2800 Plymouth Road Ann Arbor Michigan 48105 USA Email Joseph C Cappelleri - Andrew G Bushmakin - Anne M McDermott - anne_mcdermott@ Alesia B Sadosky - Charles D Petrie - Susan Martin - smartin@ Corresponding author Published 17 June 2009 Received 4 December 2008 Health and Quality of Life Outcomes 2009 7 54 doi l477-7525-7-54 Accepted 17 June 2009 This article is available from http content 7 1 54 2009 Cappelleri 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 Sleep disturbances are a common and bothersome symptom of fibromyalgia FM . This study reports psychometric properties of a single-item scale to assess sleep quality among individuals with FM. Methods Analyses were based on data from two randomized double-blind placebo-controlled trials of pregabalin studies 1056 and 1077 . In a daily diary patients reported the quality of their sleep on a numeric rating scale ranging from 0 best possible sleep to 10 worst possible sleep . Test re-test .
