Variables with time-varying effects and the Cox model: Some statistical concepts illustrated with a prognostic factor study in breast cancer.
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| Title: | Variables with time-varying effects and the Cox model: Some statistical concepts illustrated with a prognostic factor study in breast cancer. |
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| Authors: | Bellera, Carine A.1,2 bellera@bergonie.org, MacGrogan, Gaëtan3, Debled, Marc4, de Lara, Christine Tunon5, Brouste, Véronique1, Mathoulin-Pélissier, Simone1,2 |
| Source: | BMC Medical Research Methodology. 2010, Vol. 10, p20-31. 12p. |
| Database: | Academic Search Ultimate |
| ISSN: | 14712288 |
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| DOI: | 10.1186/1471-2288-10-20 |