The SF-36 and SGRQ: validity and first look at minimum important differences in IPF.

[1]  D. Lynch,et al.  BUILD-3: a randomized, controlled trial of bosentan in idiopathic pulmonary fibrosis. , 2011, American journal of respiratory and critical care medicine.

[2]  M. Raza.  BUILD-1: A Randomized Placebo-Controlled Trial of Bosentan in Idiopathic Pulmonary Fibrosis , 2009 .

[3]  R. D. Bois,et al.  CATEGORICAL DECLINES IN PERCENT PREDICTED FORCED VITAL CAPACITY (PP-FVC) ARE ASSOCIATED WITH A GRADED RISK OF DEATH IN PATIENTS WITH IDIOPATHIC PULMONARY FIBROSIS (IPF) , 2008 .

[4]  H. Schünemann,et al.  The minimal important difference of the hospital anxiety and depression scale in patients with chronic obstructive pulmonary disease , 2008, Health and quality of life outcomes.

[5]  K. Imanaka,et al.  Health-related quality of life in patients with idiopathic pulmonary fibrosis--cross-sectional and longitudinal study. , 2007, Internal medicine.

[6]  M. Gould,et al.  Health-related quality of life in patients with idiopathic pulmonary fibrosis: a systematic review , 2005, Thorax.

[7]  Y. Kondoh,et al.  Health-related quality of life in patients with idiopathic pulmonary fibrosis. What is the main contributing factor? , 2005, Respiratory medicine.

[8]  P. Jones.  St. George's Respiratory Questionnaire: MCID , 2005, COPD.

[9]  R. Hays,et al.  Approaches and Recommendations for Estimating Minimally Important Differences for Health-Related Quality of Life Measures , 2005, COPD.

[10]  M. Gould,et al.  Health-related quality of life among patients with idiopathic pulmonary fibrosis. , 2005, Chest.

[11]  G. Norman,et al.  Interpretation of Changes in Health-related Quality of Life: The Remarkable Universality of Half a Standard Deviation , 2003, Medical care.

[12]  J. Brazier,et al.  What is the relationship between the minimally important difference and health state utility values? The case of the SF-6D , 2003, Health and quality of life outcomes.

[13]  D. Mahler,et al.  Minimal important difference of the transition dyspnoea index in a multinational clinical trial , 2003, European Respiratory Journal.

[14]  Paul J. Friedman,et al.  American Thoracic Society/European Respiratory Society International Multidisciplinary Consensus Classification of the Idiopathic Interstitial Pneumonias. This joint statement of the American Thoracic Society (ATS), and the European Respiratory Society (ERS) was adopted by the ATS board of directors , 2002, American journal of respiratory and critical care medicine.

[15]  P. Jones,et al.  Health status measurement in chronic obstructive pulmonary disease , 2001, Thorax.

[16]  J. Ware,et al.  Determining minimally important changes in generic and disease-specific health-related quality of life questionnaires in clinical trials of rheumatoid arthritis. , 2000, Arthritis and rheumatism.

[17]  David A. Lynch,et al.  Idiopathic pulmonary fibrosis: Diagnosis and treatment: International Consensus Statement , 2000 .

[18]  W. Tierney,et al.  Further evidence supporting an SEM-based criterion for identifying meaningful intra-individual changes in health-related quality of life. , 1999, Journal of clinical epidemiology.

[19]  W M Tierney,et al.  Linking clinical relevance and statistical significance in evaluating intra-individual changes in health-related quality of life. , 1999, Medical care.

[20]  J. Larson.  The MOS 36-Item Short form Health Survey , 1997, Evaluation & the health professions.

[21]  P. Jones,et al.  The St George's Respiratory Questionnaire. , 1991, Respiratory medicine.

[22]  C. Wells,et al.  The measurement of dyspnea. Contents, interobserver agreement, and physiologic correlates of two new clinical indexes. , 1984, Chest.

[23]  Howard B. Lee,et al.  Foundations of Behavioral Research , 1973 .

[24]  D L Adams,et al.  Analysis of a life satisfaction index. , 1969, Journal of gerontology.

[25]  Edward E. Cureton,et al.  The upper and lower twenty-seven per cent rule , 1957 .

[26]  L. Cronbach.  Coefficient alpha and the internal structure of tests , 1951 .