[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Cancer Study Continues

To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Subject: Re: Cancer Study Continues
From: Bernard L Cohen <blc+@pitt.edu>
Date: Tue, 10 Aug 1999 11:39:12 -0400 (EDT)
In-Reply-To: <199908101411.JAA00092@dfw-ix6.ix.netcom.com>



On Tue, 10 Aug 1999, Sandy Perle wrote:

> Is 6 cancer cases out of 1700 individuals in 10 years statistically 
> valid? Bernie, comments?

	Of course I don't know the age distribution of the employees, but
the national average over all ages would predict about 0.8 brain cancer
deaths for this group. Thus six cases would be statistically significant
on this basis.



Bernard L. Cohen
Physics Dept.
University of Pittsburgh
Pittsburgh, PA 15260
Tel: (412)624-9245
Fax: (412)624-9163
e-mail: blc+@pitt.edu


************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html

References:
- Cancer Study Continues
  - From: "Sandy Perle" <sandyfl@earthlink.net>

Prev by Date: Re: Intentional Use of Radionuclides for Harm
Next by Date: RE: U.S. Orders Probe Of Plutonium Exposure - Report
Prev by thread: Cancer Study Continues
Next by thread: RE: Cancer Study Continues
Index(es):
- Date
- Thread