Table 1.
Healthy individuals | MDD patients | |
---|---|---|
N | 111 | 84 |
Age, years | 33.00 (9.23) | 48.82 (8.93) |
Sex (male/female) | 55/56 | 27/57 |
Full-scale IQ | 108.00 (8.45) | 117.18 (11.34) |
BDI | n.a | 15.25 |
Medication | None | 59 antidepressants/25 unmedicated |
5HTTLPR diallelic | ||
Allele frequency | S = 0.43, L = 0.57 | S = 0.48, L = 0.52 |
Genotype frequency | S/S = 0.16, S/L = 0.53, L/L = 0.31 | S/S = 0.31, S/L = 0.345, L/L = 0.345 |
5HTTLPR triallelic | ||
Allele frequency | n.a | S = 0.49, LG = 0.07, LA = 0.44 |
Genotype frequency | n.a | S/S = 0.32, S/LG = 0.06 |
LG/LG = 0.01, S/LA = 0.29 | ||
LA/LG = 0.05, LA/LA = 0.27 | ||
BDNF Val66Met | ||
Allele frequency | Val = 0.79, Met = 0.21 | Val = 0.80, Met = 0.20 |
Genotype frequency | Val/Val = 0.62, Val/Met = 0.34, Met/Met = 0.04 | Val/Val = 0.62, Val/Met = 0.34, Met/Met = 0.04 |
Epistasis | ||
Genotype frequency | L/L, Val/Val = 0.18 | LA/LA, Val/Val = 0.18 |
L/L, Met = 0.12 | LA/LA, Met = 0.09 | |
S, Val/Val = 0.44 | S or LG, Val/Val = 0.44 | |
S, Met = 0.26 | S or LG, Met = 0.29 |
Age and full-scale IQ are presented in mean (standard deviation) format. n.a = Not applicable.