Allele frequency association results for rapid cycling.

Alleles, minor allele first.*Ancestral allele in CEU population data (CEPH (Utah residents with ancestry from northern and western Europe)) from www.hapmap.org.MAF, Minor allele frequencies for the affecteds (A) and unaffecteds (U).ABD, anonymous blood donors.Non-RC-BP, bipolar disorder patients without rapid cycling.Odds ratio (OR), the proportion of minor versus major allele among affecteds (A)/proportion of minor versus major allele among unaffecteds (U).aLogistic regression with gender as covariate was used.Empirical P-value (EMP1), Point-wise P-value from 10,000 permutations.