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Part 3: Association Study

 

 

Good choice!  SOD2 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

SOD2 C47T exon 2 Poly.

AD patients

Controls

TT or TC

21

16

CC

17

40

 

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

 

Odds ratio =

Round to 2 decimal places