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A review of RCTs in four medical journals to assess the use of imputation to overcome missing data in quality of life outcomes
BACKGROUND: Randomised controlled trials (RCTs) are perceived as the gold-standard method for evaluating healthcare interventions, and increasingly include quality of life (QoL) measures. The observed results are susceptible to bias if a substantial proportion of outcome data are missing. The review...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2008
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3225816/ https://www.ncbi.nlm.nih.gov/pubmed/18694492 http://dx.doi.org/10.1186/1745-6215-9-51 |