Displaying 1 result from an estimated 1 matches for "6false".
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2007 Oct 11
0
Cox with time varying effect
...function like this:
> mod.time6<-coxph(Surv(start,time,status)~age_diag:(start<=6)+deep:(start<=6)+ldh,data=cdf)
> mod.time6
coef exp(coef) se(coef) z p
ldhelevated 0.6243 1.87 0.2871 2.17 0.0300
age_diag:start <= 6FALSE 0.0148 1.01 0.0145 1.02 0.3100
age_diag:start <= 6TRUE 0.0946 1.10 0.0272 3.48 0.0005
start <= 6FALSE:deeppresent 0.5167 1.68 0.3546 1.46 0.1500
start <= 6TRUE:deeppresent 1.7906 5.99 0.6451 2.78 0.0055
Likelihood ratio test=30.5 on 5 df, p=1.18e...