st: Exponential split population cure model with clustering?

["Rebecca Mitchell" <rmm257@hotmail.com>]

Hello all,

I have survival data from multiple studies which are highly clustered within 
study. I have a population at risk and a population which is effectively 
'cured.' I would like to use a split-population model to analyze it, but I 
need to evaluate whether there is a constant hazard or log-normal hazard and 
still address the clustering.

I have found spsurv- a discrete-time model which does not allow clustering, 
and lncure: continuous-time log-normal distribution model which allows 
clustering.

Ideally I am looking for a model which allows constant hazard, 
split-population, and clustering.  Does anyone have this code for Stata?

Thank you in advance,
Rebecca


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