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st: Bug in tabodds, cornfield


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Bug in tabodds, cornfield
Date   Tue, 4 Oct 2005 06:49:12 -0700 (PDT)

Dear all,

I get an error when I request cornfield CI in
-tabodds-. This seems to be a bug. Can anyone please
verify. Thank you.

Ricardo.
 
. tabodds vitb1p1 snp if case==1, or

---------------------------------------------------------------------------
         snp |  Odds Ratio       chi2       P>chi2    
[95% Conf. Interval]
-------------+-------------------------------------------------------------
          CC |    1.000000          .           .     
        .          .
          CT |    0.901799       0.26       0.6086    
 0.607030   1.339707
          TT |    0.663223       2.01       0.1564    
 0.374388   1.174892
---------------------------------------------------------------------------
Test of homogeneity (equal odds): chi2(2)  =     2.02
                                  Pr>chi2  =   0.3638

Score test for trend of odds:     chi2(1)  =     1.79
                                  Pr>chi2  =   0.1811

. tabodds vitb1p1 snp if case==1, or cornf

--------------------------------------------------------------------------
            |                               odds      
    Cornfield
       snp  |      cases     controls      ratio     
[95% Conf. Interval]
------------+-------------------------------------------------------------
'.' found where integer expected
r(7);
 


Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK


		
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