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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Brain Res Rev. 2009 Jun 23;61(2):185–209. doi: 10.1016/j.brainresrev.2009.06.003

Figure 1. Prevalence ratio of bipolar disorder increases with risk allele burden.

Figure 1

A combination of more than any 15 of risk alleles significantly increases the risk for BD above the risk (1.0) in the general population, whereas a combination of any 19 increases the risk 3.8 fold. From (Baum et al., 2008).