Table 2.
Correlations between serum 25(OH)D and body composition or cardiorespiratory parameters.
| All (n = 57) |
Boys (n = 30) |
Girls (n = 27) |
Insufficiency (n = 18) |
Sufficiency (n = 39) |
|
|---|---|---|---|---|---|
| BMI (kg/m2) | −0.086 (0.525) | 0.034 (0.860) | −0.178 (0.374) | 0.001 (0.996) | −0.266 (0.101) |
| LM (kg) | −0.056 (0.679) | 0.052 (0.784) | −0.041 (0.840) | 0.117 (0.644) | −0.344 (0.032) |
| LMI (kg/m2) 1,* | −0.054 (0.688) | 0.083 (0.662) | −0.085 (0.672) | −0.027 (0.916) | −0.355 (0.027) |
| FM (kg) | −0.077 (0.571) | 0.016 (0.932) | −0.157 (0.434) | 0.073 (0.772) | −0.213 (0.193) |
| FMI (kg/m2) 1 | −0.091 (0.500) | −0.012 (0.949) | −0.180 (0.369) | 0.012 (0.961) | −0.169 (0.304) |
| Calcium (mg/dL) | −0.082 (0.546) | −0.014 (0.942) | −0.144 (0.474) | −0.050 (0.844) | −0.038 (0.819) |
| Phosphorus (mg/dL) | −0.132 (0.329) | −0.101 (0.595) | −0.134 (0.507) | −0.191 (0.448) | 0.006 (0.971) |
| Alkaline phosphatase (IU/L) | 0.017 (0.901) | −0.081 (0.670) | 0.014 (0.943) | 0.362 (0.140) | 0.009 (0.957) |
| HRmax (beats/min) | 0.010 (0.944) | 0.170 (0.371) | −0.276 (0.164) | 0.182 (0.470) | 0.277 (0.087) |
| VO2max (L/min) | −0.088 (0.513) | 0.088 (0.642) | −0.142 (0.480) | −0.130 (0.606) | −0.258 (0.113) |
| VO2max (mL/kgweight/min) | −0.017 (0.900) | 0.084 (0.659) | −0.119 (0.556) | −0.250 (0.316) | 0.066 (0.689) |
| VO2max (mL/kgleanmass/min) | −0.071 (0.600) | 0.050 (0.793) | −0.182 (0.364) | −0.339 (0.168) | 0.037 (0.825) |
| RER | 0.063 (0.641) | 0.120 (0.527) | −0.098 (0.627) | 0.399 (0.101) | 0.122 (0.459) |
Data presented as r (p-value); BMI, Body Mass Index; LM, Lean mass; LMI, Lean mass index; FM, Fat mass; FMI, Fat mass index; HR, Heart rate; VO2max, maximal oxygen uptake; RER, Respiratory exchange ratio; * Variables that were log10-transformed by sex group; 1 Relative to age, derived from Centers for Disease Control (CDC) growth data. Bold values indicate a statistically significant difference (p < 0.05).