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nbhighci
2011 Jun 16
0
coxph: cumulative mortality hazard over time with associated confidence intervals
...th males and females with associated
confidence intervals but I have doubts regarding my calculations
# I used basehaz ?H0? to get to the baseline hazard (covariate level
0, males in this case)
basehazard <- basehaz(M1, centered=FALSE)[,1]
NBLOWCI <- basehazard * exp(1.96*sqrt(M1$var[1]))
NBHIGHCI <- basehazard * exp(-1.96*sqrt(M1$var[1]))
# I applied the following equation H0*exp(Beta*X) to get to the
cumulative hazard over time (covariate level 1) for females, In # this
case X=1, and Beta is the regression coefficient from the coxph model
(M1$coef[1])
bandhazard <- basehazard * ex...