From: Association between brain-derived neurotrophic factor genetic polymorphism Val66Met and susceptibility to bipolar disorder: a meta-analysis
Population
BPD patients
Health controls
Val/Val
Val/Met
Met/Met
Caucasian
0.654
0.320
0.026
0.642
0.324
0.034
Oriental
0.296
0.486
0.218
0.311
0.489
0.200