TABLE 1.
THE MEAN SERUM TESTOSTERONE LEVELS (ng · mL-1) IN FEMALE AND MALE ATHLETES WITH DIFFERENT ACTN3 GENOTYPES
| Sport | n | All | ACTN3 genotypes | P | ||
|---|---|---|---|---|---|---|
|
| ||||||
| RR | RX | XX | ||||
| Females | ||||||
| Volleyball | 31 | 1.17 (0.56) | 1.21 (0.35) | 1.09 (0.67) | 0.79 (0.1) | 0.416 |
| Alpine skiing | 8 | 1.16 (0.8) | 1.66 (0.79) | 0.73 (0.53) | 0.46 (0) | 0.144 |
| Speed skating | 19 | 1.33 (0.51) | 1.73 (0.42) | 1.29 (0.42) | 0.68 (0.19) | 0.059 |
| Figure skating | 32 | 1.27 (0.88) | 1.46 (0.8) | 1.34 (0.9) | 0.92 (1.1) | 0.528 |
| All females | 90 | 1.24 (0.7) | 1.43 (0.6) | 1.21 (0.71) | 0.79 (0.66) | 0.0167* |
|
| ||||||
| Males | ||||||
| Baseball | 21 | 22.1 (4.2) | 23.5 (4.8) | 21.8 (3.9) | 19.1 (2.6) | 0.317 |
| Volleyball | 30 | 22.5 (5.6) | 22.9 (5.4) | 23.3 (5.7) | 18.2 (5.6) | 0.273 |
| Alpine skiing | 10 | 22.4 (4.1) | 24.3 (3.2) | 21.1 (4.4) | 0.252 | |
| Kayaking | 25 | 22.2 (5.5) | 24.9 (5.5) | 22.5 (5.2) | 17.9 (3.9) | 0.337 |
| Cross-country skiing | 33 | 22.7 (7.5) | 27.6 (6.9) | 20.1 (6.5) | 19.5 (6.9) | 0.0074* |
| All males | 119 | 22.4 (5.8) | 24.9 (5.7) | 21.8 (5.5) | 18.6 (4.9) | 0.0071* |
Note: Values are mean (SD). Comparisons between athletes with different genotypes were performed by ANOVA.
*
P < 0.05, statistically significant differences