Table 2.
Comparison of athletic performance based on the vitamin D status.
| Vitamin D Status | η2p | |||
|---|---|---|---|---|
| Deficient | Insufficient | Adequate | ||
| VO2max (ml·kg-1·min−1) (95% CI) |
64.2 ± 1.39 (58.8, 69.6) |
64.0 ± 6.94 (61.8, 66.2) |
64.2 ± 3.90 (60.7, 67.7) |
0.00 |
| PPO (watts) (95% CI) |
620.8 ± 75.76 (524.8, 716.9) |
715.4 ± 117.85 (676.2, 754.6) |
689.9 ± 81.81 (627.9, 751.9) |
0.07 |
| RPPO (W/kg) (95% CI) |
10.1 ± 0.59 (9.4, 10.8) |
10.6 ± 0.88 (10.3, 10.9) |
10.7 ± 0.48 (10.2, 11.1) |
0.04 |
| MP (watts) (95% CI) |
455.1 ± 38.93 (399.7, 510.4) |
502.1 ± 60.69 (479.5, 524.6) |
502.5 ± 69.37 (466.7, 538.2) |
0.06 |
| RMPO (W/kg) (95% CI) |
7.5 ± 0.39 (6.9, 8.1) |
7.5 ± 0.76 (7.3, 7.8) |
7.8 ± 0.42 (7.4, 8.2) |
0.03 |
| REPT (Nm/kg) (95% CI) |
347.0 ± 46.76 (298.8, 395.2) |
327.3 ± 50.26 (307.6, 346.9) |
316.6 ± 63.15 (285.5, 347.7) |
0.03 |
| RFPT (Nm/kg) (95% CI) |
170.6 ± 24.68 (148.3, 192.9) |
188.5 ± 22.53 (179.4, 197.6) |
184.0 ± 29.98 (169.6, 198.4) |
0.05 |
| LEPT (Nm/kg) (95% CI) |
347.0 ± 52.98 (309.8, 384.2) |
339.0 ± 39.94 (323.8, 354.2) |
324.3 ± 39.76 (300.3, 348.3) |
0.03 |
| LFPT (Nm/kg) (95% CI) |
182.6 ± 40.27 (159.3, 205.9) |
181.1 ± 23.98 (171.6, 190.6) |
195.3 ± 23.64 (180.2, 210.3) |
0.06 |
| FR (%) (95% CI) |
81.7 ± 5.61 (75.6, 87.9) |
87.9 ± 7.17 (85.4, 90.4) |
87.3 ± 6.34 (83.4, 91.3) |
0.07 |
| Vertical jump (cm) (95% CI) |
53.8 ± 6.02 (49.5, 58.1) |
52.2 ± 5.01 (50.4, 53.9) |
54.0 ± 3.30 (51.2, 56.8) |
0.03 |
| Agility T-test (sec) (95% CI) |
10.5 ± 0.47 (10.1, 10.8) |
10.5 ± 0.40 (10.3, 10.6) |
10.5 ± 0.32 (10.3, 10.7) |
0.00 |
Values are mean ± standard deviation. Note: PPO; peak power output, RPPO; relative peak power output, MP; mean power output, RMPO; relative mean power output, REPT; right knee extension peak torque, RFPT; right knee flexor peak torque, LEPT; left knee extension peak torque, LFPT; left knee flexor peak torque, FR; fatigue resistance, 95% CI; 95% confidence interval, η2p; partial eta squared.