Variability and sample size requirements for health-related quality-of-life measures: Understanding the challenges facing investigators [5]

Journal of Clinical Oncology

Volumn 23, Issue 33, 2005, Pages 8541-8542

  Coens, Corneel ^a   Bottomley, Andrew ^a   Efficace, Fabio ^a   Flechtner, Henning ^b   Aaronson, Neil ^c  

^a EORTC DATA CENTER   (Belgium)

^b UNIVERSITY OF COLOGNE   (Germany)

^c NETHERLANDS CANCER INSTITUTE   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CLINICAL RESEARCH; HUMAN; LETTER; PHYSICAL PERFORMANCE; PRIORITY JOURNAL; PSYCHOMETRY; QUALITY OF LIFE INDEX; QUESTIONNAIRE; RATING SCALE; SAMPLE SIZE; SOCIAL PSYCHOLOGY; NEOPLASM; NOTE; QUALITY OF LIFE; REPRODUCIBILITY;

HUMANS; NEOPLASMS; QUALITY OF LIFE; QUESTIONNAIRES; REPRODUCIBILITY OF RESULTS; SAMPLE SIZE;

EID: 33644696817     PISSN: 0732183X     EISSN: None     Source Type: Journal    
DOI: 10.1200/JCO.2005.03.9776     Document Type: Letter

References (3)

1. Cheung Y-B, Goh C, Thumboo J, et al: Variability and sample size requirements of quality-of-life measures: A randomized study of three major questionnaires. J Clin Oncol 23:4936-4944, 2005
2. Aaronson NK, Ahmedzai S, Bergman B, et al: The European Organization for Research and Treatment of Cancer QLQ-C30: A quality-of-life instrument for use in international clinical trials in oncology. J Natl Cancer Inst 85:365-376, 1993
3. Nordin K, Steel J, Hoffman K, et al: Alternative methods of interpreting quality of life data in advanced gastrointestinal cancer patients. Br J Cancer 85:1265-1272, 2001