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Re: st: Hazard ratios to rates.


From   Steven Samuels <sjhsamuels@earthlink.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Hazard ratios to rates.
Date   Tue, 16 Dec 2008 18:13:25 -0500

Hazard ratios compare two distributions, but you want to know something about one of the distributions. It is the same as if you had asked: "I know the ratio of two numbers is 2:1. What is one of them?"

So,unless you have more information, the answer to your question is "No".

-Steve

On Dec 16, 2008, at 5:03 PM, Ricardo Ovaldia wrote:


Is there a way to convert hazard ratios from survival to rates such as number of deaths per 10,000?

For example if for treatment A compare to a pacebo the HR=1.3, I know that there is 30% increase risk of failure under treatment A. However, can I say what the rate per 1000 patients would be? For example: X patient per 1000 will die on treatment A

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