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Longitudinal studies that use data collected as part of usual care risk reporting biased results: a systematic review
BACKGROUND: Longitudinal studies using data collected as part of usual care risk providing biased results if visit times are related to the outcome of interest. Statistical methods for mitigating this bias are available but rarely used. This lack of use could be attributed to a lack of need or to a...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5588621/ https://www.ncbi.nlm.nih.gov/pubmed/28877680 http://dx.doi.org/10.1186/s12874-017-0418-1 |