Table 1 Chi-square test comparing the genotypic and allelic frequencies of ACTN3, BDKRB2, and AGT polymorphisms between athletes and controls.
Polymorphisms | Total (n = 165) | Athletes (n = 91) | Controls (n = 74) | χ2 (p) | ES |
|---|---|---|---|---|---|
ACTN3 (R577X) | |||||
RR | 53 (32.1%) | 30 (33.0%) | 23 (31.1%) | 0.08 (0.961) | 0.11 |
RX | 84 (50.9%) | 46 (50.5%) | 38 (51.4%) | ||
XX | 28 (17.0%) | 15 (16.5%) | 13 (17.6%) | ||
Allele R | 190 (57.6%) | 106 (58.2%) | 84 (56.8%) | 0.07 (0.436) | 0.02 |
Allele X | 140 (42.4%) | 76 (41.8%) | 64 (43.2%) | ||
BDKRB2 (−9/+9) | |||||
+ 9 + 9 | 33 (20.0%) | 17 (18.7%) | 16 (21.6%) | 1.30 (0.522) | 0.09 |
−9 + 9 | 97 (58.8%) | 57 (62.6%) | 40 (54.1%) | ||
−9-9 | 35 (21.2%) | 17 (18.7%) | 18 (24.3%) | ||
Allele + 9 | 163 (49.4%) | 91 (50.0%) | 72 (48.6%) | 0.06 (0.447) | 0.01 |
Allele − 9 | 167 (50.6%) | 91 (50.0%) | 76 (51.4%) | ||
AGT (M235T) | |||||
MM | 19 (11.5%) | 13 (14.3%) | 6 (8.1%) | 1.94 (0.379) | 0.11 |
MT | 75 (45.5%) | 42 (46.2%) | 33 (44.6%) | ||
TT | 71 (43.0%) | 36 (39.6%) | 35 (47.3%) | ||
Allele M | 113 (34.2%) | 68 (37.4%) | 45 (30.4%) | 1.76 (0.113) | 0.07 |
Allele T | 217 (65.8%) | 114 (62.6%) | 103 (69.6%) | ||
