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Statistical considerations for use of composite health-related quality-of-life scores in randomized trials
BACKGROUND: Quality of life instruments are frequently used as outcomes in randomized trials. Instruments that consist of several subscales present researchers with a choice of whether to combine some or all scales into a single composite score. There may be several clinically and scientifically rea...
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2004
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2613680/ https://ncbi.nlm.nih.gov/pubmed/15129882 |
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