Aliases: retinopathy
Keywords: datasets
### ** Examples coxph(Surv(futime, status) ~ type + trt, cluster= id, retinopathy)
Call:
coxph(formula = Surv(futime, status) ~ type + trt, data = retinopathy,
cluster = id)
coef exp(coef) se(coef) robust se z p
typeadult 0.05388 1.05536 0.16211 0.17864 0.302 0.763
trt -0.77893 0.45890 0.16893 0.14851 -5.245 1.56e-07
Likelihood ratio test=22.48 on 2 df, p=1.312e-05
n= 394, number of events= 155