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Cautionary tales of survival analysis: conflicting analyses from a clinical trial in breast cancer.
Data from a completed randomized trial in breast cancer are used to demonstrate and quantify the variation in estimated survival curves and log-rank statistics at different times throughout a trial. False 'plateaux' are common, as are wide fluctuations in chi2 values obtained from the log-...
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| Autors principals: | , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Nature Publishing Group
1997
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2227982/ https://ncbi.nlm.nih.gov/pubmed/9275036 |
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