Table 1.
Frequencies of SOD2 and MTHFR alleles and genotypes in elderly and control groups.
| Genotypes and Alleles | Control group N (percentage) |
Elderly group N (percentage) |
P value |
|---|---|---|---|
| -9 SOD2 * | |||
| TT | 42 (31.1) | 44 (33.8) | |
| TC | 61 (45.2) | 62 (47.7) | |
| CC | 32 (23.7) | 24 (18.5) | 0.576 |
| Allele T | 145 (53.7) | 150 (57.7) | |
| Allele C | 125 (46.3) | 110 (42.3) | 0.355 |
| 677 MTHFR * | |||
| CC | 82 (60.7) | 77 (59.2) | |
| CT | 41 (30.4) | 40 (30.8) | |
| TT | 12 (8.9) | 13 (10.0) | 0.944 |
| Allele C | 205 (75.9) | 194 (74.6) | |
| Allele T | 65 (24.1) | 66 (25.4) | 0.727 |
* All groups were in Hardy Weinberg equilibrium (P > 0.05).