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Genotype and allele frequencies of Val16Ala‐SOD2 SNP in healthy control (C) and depressive (D) elderly subjects
| Genetic |
C subjects % (n) |
D subjects % (n) |
p |
|---|---|---|---|
| Genotypes | |||
| VV | 21.1 (105) | 33.0 (38) | .014 |
| AV | 62.8 (312) | 49.6 (57) | |
| AA | 16.1 (80) | 17.4 (20) | |
| Allele frequency | |||
| V | 0.525 | 0.665 | |
| A | 0.475 | 0.335 | |
| V‐allele dose effect | |||
| AA + AV | 78.8 (392) | 67.0 (77) | .006 |
| VV | 21.2 (105) | 33.0 (38) | |
Statistical comparisons were performed by Chi‐squared test.
