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. 2015 Mar 6;5:8813. doi: 10.1038/srep08813

Table 2. Genotype Distributions and Allelic Frequencies of COMT Val158Met Variants.

Group (n) BP-II (531) Controls (447) χ2 P
COMT Val158Met Genotype (%)        
 Val/Val 272 (51.2) 251 (56.2) 5.19 0.075
 Val/Met 224 (42.2) 158 (35.3)    
 Met/Met 35 (6.6) 38 (8.5)    
COMT Val158Met Allele (%)        
 Val 768 (72.1) 660 (74.1) 0.56 0.45
 Met 294 (27.9) 234 (25.9)