Determining a minimal important change in a disease-specific quality of life questionnaire

Journal of Clinical Epidemiology - Tập 47 - Trang 81-87 - 1994
Elizabeth F. Juniper1, Gordon H. Guyatt1,2, Andrew Willan1, Lauren E. Griffith1
1Department of Clinical Epidemiology and Biostatistics,U University Medical Centre, Hamilton, Ontario, Canada
2Department of Medicine, McMaster University Medical Centre, Hamilton, Ontario, Canada