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From |
Enzo Coviello <enzo.coviello@tin.it> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Hazard ratios to rates. |

Date |
Wed, 17 Dec 2008 08:21:43 +0100 |

Steven Samuels ha scritto:

Hazard ratios compare two distributions, but you want to knowsomething about one of the distributions. It is the same as if youhad asked: "I know the ratio of two numbers is 2:1. What is one ofthem?"So,unless you have more information, the answer to your question is "No".

Enzo

-Steve On Dec 16, 2008, at 5:03 PM, Ricardo Ovaldia wrote:Is there a way to convert hazard ratios from survival to rates suchas number of deaths per 10,000?For example if for treatment A compare to a pacebo the HR=1.3, I knowthat there is 30% increase risk of failure under treatment A.However, can I say what the rate per 1000 patients would be? Forexample: X patient per 1000 will die on treatment A* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

-- Enzo Coviello Unità di Epidemiologia e Statistica ASL Bari Piazza V. Emanuele, 14 - 70054 GIOVINAZZO (BA) Italy tel +39 080 3357883 - fax +39 080 3357867

Home via Imbriani, 186 - 70055 MINERVINO MURGE (BA) tel +39 0883 695055 * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Hazard ratios to rates.***From:*Ricardo Ovaldia <ovaldia@yahoo.com>

**References**:**st: Hazard ratios to rates.***From:*Ricardo Ovaldia <ovaldia@yahoo.com>

**Re: st: Hazard ratios to rates.***From:*Steven Samuels <sjhsamuels@earthlink.net>

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