The Quality of Life Questionnaire Core 30 (QLQ-C30) and Functional Assessment of Cancer-General (FACT-G) differ in responsiveness, relative efficiency, and therefore required sample size.

@article{King2014TheQO,
  title={The Quality of Life Questionnaire Core 30 (QLQ-C30) and Functional Assessment of Cancer-General (FACT-G) differ in responsiveness, relative efficiency, and therefore required sample size.},
  author={Madeleine T King and Melanie L Bell and Daniel Costa and Phyllis Butow and Byeongsang Oh},
  journal={Journal of clinical epidemiology},
  year={2014},
  volume={67 1},
  pages={100-7}
}
OBJECTIVES Quality of Life Questionnaire Core 30 (QLQ-C30) and Functional Assessment of Cancer Therapy-General (FACT-G) are widely used cancer-specific health-related quality of life (HRQOL) questionnaires. We aimed to compare their responsiveness with clinically important effects and statistical efficiency to detect such effects. STUDY DESIGN AND SETTING Secondary analysis of QLQ-C30 and FACT-G data from a randomized controlled trial of Medical Qigong (n = 162 heterogeneous cancer patients… CONTINUE READING
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