Make your own free website on Tripod.com

 

 


Part 3: Association Study

 

 

Good choice!  PARK2 may be associated with AD.

Now, you will calculate an odds ratio from the case and control genotypes.  Enter your result and click "check odds ratio" when you're finished.

 

Cases

Controls

Risk allele

a

b

Other alleles

c

d

Odds ratio = ad/bc

 G->A exon 4 substitution

AD patients

Controls

AA or AG

7

8

GG

31

48

 

Sorry, but that's not right.  Check your rounding and try again.

 

Odds ratio =

Round to 2 decimal places