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 sKumulerede residualer, bilirubin ej transformeretVi prøver at inkludere bilirubin i sin oprindelige form:> cox.a3 resids summary(resids)Test for cumulative MG-residualsGrouped cumulative residuals not computed, you must providemodelmatrix to get these (see help)Residual versus covariates consistent with modelsup| hat B(t) | p-value H_0: B(t)=0prop(age) 6.312 0.900prop(bili) 33.452 0.000prop(l2pro) 12.755 0.192prop(albumin) 5.582 0.972Call:cum.residuals(cox.a3, cum.resid = 1)> plot(resids,score=2)>18 / 47
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 sprop(age)prop(bili)Cumulative residuals−20 −10 0 10 20Cumulative residuals−30 −10 0 10 20 3030 40 50 60 70 80prop(age)0 5 10 15 20 25prop(bili)prop(l2pro)prop(albumin)Cumulative residuals−15 −5 0 5 10 15Cumulative residuals−20 −10 0 10 203.2 3.4 3.6 3.8 4.0 4.22.0 2.5 3.0 3.5 4.0 4.5prop(l2pro)prop(albumin)Vi ser at der er problemer med bilirubin utransformeret (ioverensstemmelse med de tests for linearitet vi lavede til øvelsernesidste gang).19 / 47
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Cox regression IV. Competing risks.

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