Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài : Health-related quality of life is related to COPD disease severity | BioMed Central Health and Quality of Life Outcomes Research Open Access Health-related quality of life is related to COPD disease severity Elisabeth Stâhl 1 2 Anne Lindberg3 4 Sven-Arne Jansson3 5 Eva Ronmark3 5 Klas Svensson2 Fredrik Andersson2 Claes-Goran Lofdahl1 and Bo Lundback3 5 Address Department of Respiratory Medicine and Allergology University Hospital SE-221 85 Lund Sweden 2AstraZeneca R D Lund SE-221 87 Lund Sweden 3The OLIN Studies Department of Medicine Sunderby Central Hospital of Norrbotten SE-971 80 Luleâ Sweden 4Department of Respiratory Medicine and Allergy University Hospital SE-901 85 Umeâ Sweden and 5Lung and Allergy Research National Institute of Environmental Medicine the Karolinska Institute SE-171 77 Stockholm Sweden Email Elisabeth Stâhl - Anne Lindberg - Sven- Arne Jansson - Eva Ronmark - Klas Svensson - Fredrik Andersson - Claes-Goran Lofdahl - Bo Lundback - Corresponding author Published 09 September 2005 Received 13 July 2005 J J .. mTTnorz Accepted 09 September 2005 Health and Quality of Life Outcomes 2005 3 56 doi 1477-7525-3-56 This article is available from http content 3 1 56 2005 Stahl 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 The aim of this study was to evaluate the association between health-related quality of life HRQL and disease severity using lung function measures. Methods A survey was performed in subjects with COPD in Sweden. 168 subjects 70 women mean age years completed the generic .