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adma2high
2012 Apr 10
0
marginal HR in coxph() model with interaction
...to keep my question simple.
This is the function call and output:
> coxph( ami ~ ADMA2 * ALA2 , data = d2)
Call:
coxph(formula = ami ~ ADMA2 * ALA2, data = d2)
coef exp(coef) se(coef) z p
ADMA2high 1.137 3.118 0.302 3.759 0.00017
ALA2high 0.148 1.160 0.196 0.756 0.45000
ADMA2high:ALA2high -0.671 0.511 0.448 -1.496 0.13000
Likelihood ratio test=13.1 on 3 df, p=0.00437 n= 1364, number of events=
129
For publication I would like to present the marginal estimates like
| | ADMA low...