Simply likelihood ratio question

[Charlotte-9]

Hi there,

Could anyone tell me the basic difference between a 'likelihood ratio' and
an 'odds ratio' please?  I can't seem to make a distinction!

Many thanks,

Charlotte

[Marta Garcia-Granero]

Hi Charlotte,

Odds ratio: see this paper (free online access):
http://www.bmj.com/cgi/reprint/320/7247/1468

Likelihhod ratio: see this paper (also free)
http://www.bmj.com/cgi/reprint/329/7458/168

HTH,
Marta

Back to normality, I have a new ISP :D

C> Could anyone tell me the basic difference between a 'likelihood ratio' and
C> an 'odds ratio' please?  I can't seem to make a distinction!