Table 3.
Genotype and allele frequencies of rs2234693 and rs9340799 of the ESR1 gene with a stratification by K/L grades.
| K/L grading | Number | rs2234693 | rs9340799 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Genotype (frequency) | Allele (frequency) | H-WE | Genotype (frequency) | Allele (frequency) | H-WE | ||||||||
| TT | TC | CC | T | C | P value | AA | AG | GG | A | G | P value | ||
| Grade 2 | 255 | 82 (0.321) | 120 (0.471) | 53 (0.208) | 284 (0.557) | 226 (0.443) | 0.458 | 156 (0.612) | 81 (0.318) | 18 (0.070) | 393 (0.771) | 117 (0.229) | 0.105 |
| Grade 3 | 119 | 46 (0.387) | 54 (0.454) | 19 (0.159) | 146 (0.613) | 92 (0.387) | 0.638 | 74 (0.622) | 42 (0.353) | 3 (0.025) | 190 (0.798) | 48 (0.202) | 0.295 |
| Grade 4 | 95 | 39 (0.410) | 43 (0.453) | 13 (0.137) | 121 (0.637) | 69 (0.363) | 0.834 | 57 (0.600) | 29 (0.305) | 9 (0.095) | 143 (0.753) | 47 (0.247) | 0.079 |
K/L: Kellgren-Lawrence; No.: number; H-WE: Hardy-Weinberg Equilibrium.