[R] MSM modeling and transition rates in R

From: Im, Kelly <im_at_edc.pitt.edu>
Date: Thu 28 Sep 2006 - 14:47:45 GMT


 Greetings,

I'm using MSM (mutli-state markov modeling) package to study the progression of fibrosis in U.S hepatitis C population. I find this is a very fascinating tool for an applied researcher like myself.

I have a four stage progression only model without any absorbing stage, also assuming no misclassification error in the data for the time being. I also have a couple covariates in the model. so I get these three transition rates. and I was wondering how I can compare these transition rates to be able to say that they are not equal statistically. (I guess I might be thinking too hard on this, can I just use qratio.msm function and examine confidence intervals..?)

but I would very much appreciate any advice,

kind regards,

kelly



 KyungAh (Kelly) Im, M.S/PhD student.  University of Pittsburgh
 PHONE:(412) 624- 4612 FAX: (412) 624- 3775  Email: Im@edc.pitt.edu
 http://www.edc.gsph.pitt.edu

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