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Comparison of intent-to-treat analysis strategies for pre-post studies with loss to follow-up
In pre-post studies when all outcomes are completely observed, previous studies have shown that analysis of covariance (ANCOVA) is more powerful than a change-score analysis in testing the treatment effect. However, there have been few studies comparing power under missing post-test values. This pap...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Elsevier
2018
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6022256/ https://www.ncbi.nlm.nih.gov/pubmed/30023456 http://dx.doi.org/10.1016/j.conctc.2018.05.008 |