Mitochondrial haplogroup distribution of subject groups
| Controls | Endurance/middle-power athletes | Sprint/power athletes | |||||
|---|---|---|---|---|---|---|---|
| Haplogroup | n (%) | n (%) | p Value | OR (95% CI) | n (%) | p Value | OR (95% CI) |
| F | 40 (6.0) | 6 (7.6) | 0.565 | 1.3 (0.53 to 3.17) | 9 (15.0) | 0.007 | 2.79 (1.28 to 6.07) |
| B | 88 (13.1) | 5 (6.3) | 0.084 | 0.45 (0.18 to 1.14) | 9 (15.0) | 0.677 | .17 (0.56 to 2.46) |
| A | 48 (7.1) | 7 (8.9) | 0.589 | 1.26 (0.55 to 2.90) | 4 (6.7) | 0.891 | .93 (0.32 to 2.67) |
| N9a | 34 (5.1) | 1 (1.3) | 0.130 | 0.24 (0.03 to 1.78) | 3 (5.0) | 0.984 | .99 (0.29 to 3.32) |
| N9b | 18 (2.7) | 2 (2.5) | 0.939 | 0.94 (0.21 to 4.15) | 0 (0.0) | 0.199 | align="left">– |
| M7a | 44 (6.5) | 5 (6.3) | 0.941 | 0.96 (0.37 to 2.51) | 3 (5.0) | 0.639 | .75 (0.23 to 2.50) |
| M7b | 29 (4.3) | 3 (3.8) | 0.829 | 0.88 (0.26 to 2.94) | 5 (8.3) | 0.157 | .02 (0.75 to 5.42) |
| M* | 34 (5.1) | 7 (8.9) | 0.160 | 1.82 (0.78 to 4.26) | 2 (3.3) | 0.554 | .65 (0.15 to 2.76) |
| G2 | 32 (4.8) | 5 (6.3) | 0.543 | 1.35 (0.51 to 3.57) | 0 (0.0) | 0.084 | align="left">– |
| G1 | 25 (3.7) | 7 (8.9) | 0.032 | 2.52 (1.05 to 6.02) | 1 (1.7) | 0.410 | .44 (0.06 to 3.30) |
| D5 | 29 (4.3) | 4 (5.1) | 0.759 | 1.18 (0.40 to 3.46) | 3 (5.0) | 0.804 | .17 (0.34 to 3.95) |
| D4 | 233 (34.7) | 24 (30.4) | 0.447 | 0.82 (0.50 to 1.36) | 20 (33.3) | 0.834 | .94 (0.54 to 1.65) |
| Others | 18 (2.7) | 3 (3.8) | 0.568 | 1.43 (0.41 to 4.98) | 1 (1.7) | 0.637 | .62 (0.08 to 4.69) |
| Total | 672 | 79 | 60 | align="left"> | |||
Numbers in bold indicate haplogroups that showed frequency differences between athletes and controls.