Cox regression IV. Competing risks.
Cox regression IV. Competing risks.
Cox regression IV. Competing risks.
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u n i v e r s i t y o f c o p e n h a g e nd e p a r t m e n t o f b i o s t a t i s t i c sDirekte <strong>regression</strong> af den kumulative incidensI Fine and Gray-modellen specificeres en model for denkumulative incidens P 1 (t):− log(P 1 (t)) = H 1 (t) exp(β 1 X 1 + . . . + β p X p )hvor H 1 (t) er en uspecificeret, voksende, positiv funktion.Modellen giver en direkte relation mellem kovariaterne ogrisikoen men fortolkningen af <strong>regression</strong>sparametrene β 1 , . . . β per ikke simpel.I R kan denne analyse udføres vha crr i cmprsk-pakken.Til SAS findes diverse macro’er på nettet.45 / 47