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Assessing the discriminative ability of risk models for more than two outcome categories.

Ben VAN CALSTER ; Caspar-Wn LOOMAN ; Ewout-W STEYERBERG ; Dirk TIMMERMAN ; VAN BELLE (Vanya) : BEL. Department of Electrical Engineering. Ku Leuven. Leuven. ; Yvonne VERGOUWE ; Department of Development and Regeneration. Ku Leuven. University of Leuven. Leuven. BEL ; Department of Public Health. Erasmus Mc. CA Rotterdam. NLD |

Dans European journal of epidemiology (vol. 27, n° 10, 2012)

[BDSP. Notice produite par INIST-CNRS JR0x99k9. Diffusion soumise à autorisation]. The discriminative ability of risk models for dichotomous outcomes is often evaluated with the concordance index (c-index). However, many medical prediction probl[...]

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Article

External Validity of Risk Models : Use of Benchmark Values to Disentangle a Case-Mix Effect From Incorrect Coefficients.

Yvonne VERGOUWE ; Karel-Gm MOONS ; Ewout-W STEYERBERG ; Center for Medical Decision Sciences. Department of Public Health. Erasmus Medical Center. Rotterdam. NLD |

Dans American journal of epidemiology (vol. 172, n° 8, 2010)

[BDSP. Notice produite par INIST-CNRS DR0xGkoo. Diffusion soumise à autorisation]. Various performance measures related to calibration and discrimination are available for the assessment of risk models. When the validity of a risk model is asses[...]

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