Table 4.
Pearson and partial correlation between 25(OH)D with athletic performance and blood-borne markers.
| Pearson | Partial Correlation | ||
|---|---|---|---|
| Model 1 | Model 2 | ||
| r | r | r | |
| VO2max (ml·kg-1·min-1) | 0.03 | 0.01 | 0.03 |
| PPO (watts) | 0.05 | 0.10 | 0.21 |
| RPPO (W/kg) | 0.13 | 0.12 | 0.20 |
| MP (watts) | 0.16 | 0.21 | 0.36 * |
| RMPO (W/kg) | 0.21 | 0.12 | 0.33 * |
| REPT (Nm/kg) | −0.13 | −0.06 | −0.10 |
| RFPT (Nm/kg) | 0.02 | 0.08 | 0.04 |
| LEPT (Nm/kg) | −0.10 | −0.04 | 0.06 |
| LFPT (Nm/kg) | 0.13 | 0.14 | 0.09 |
| FR (%) | 0.13 | 0.12 | 0.24 |
| Vertical jump (cm) | 0.15 | 0.21 | 0.21 |
| Agility T-test (sec) | −0.03 | −0.13 | −0.11 |
| Free testosterone (pmol/L) | −0.19 | −0.10 | −0.16 |
| Cortisol (μg/dL) | −0.06 | −0.04 | −0.03 |
| Creatine Kinase (U/L) | −0.05 | −0.08 | −0.11 |
| Urea (mg/dL) | 0.27 | 0.28 | 0.30 |
Note: Model 1; adjusted for bone age, Model 2; adjusted for bone age, height, weight, training experience, lean body mass, fat mass; 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; * Statistically significant at p < 0.05.