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Table 3 Genotype distributions of BDNF Val66Met

From: Functional Val66Met polymorphism of Brain-derived neurotrophic factor in type 2 diabetes with depression in Han Chinese subjects

Group n Genotype n (%) Met allele frequency
Val/ Val Val/Met Met/Met Met(A)(%)
HC 70 26(37.1) 33(47.1) 11(15.7) 39.3
NDDM 232 88(37.9) 108(46.6) 36(15.5) 38.8
DDM 64 15(23.4) 29(45.3) 20(31.3) 53.9
  1. Data expressed as frequency [n (%)], p value < 0.05 for statistical significance, chi-square analysis used to identify differences in genotype frequencies between groups. HC: Healthy control, NDDM: type 2 diabetes without depression group, DDM: type 2 diabetes with depression group.