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Frequencies of Genotypes and Alleles
| Genotype | Frequency, n (%) | Allele | Frequency, n (%) |
|---|---|---|---|
| APOE | |||
| ε2/ε2 | 1 (1) | ε2 | 22 (7) |
| ε2/ε3 | 20 (13) | ε3 | 241 (82) |
| ε3/ε3 | 96 (65) | ε4 | 33 (11) |
| ε3/ε4 | 29 (20) | ||
| ε4/ε4 | 2 (1) | ||
| ε2/ε4 | 0 (0) | ||
| BDNF | |||
| Val/Val | 101 (69) | Val | 244 (82) |
| Val/Met | 42 (28) | Met | 52 (18) |
| Met/Met | 5 (3) | ||
| COMT | |||
| Val/Val | 45 (30) | Val | 155 (52) |
| Val/Met | 65 (44) | Met | 141 (48) |
| Met/Met | 38 (26) |
