Table 3. Vitamin D binding protein serum concentrations (ug/ml) stratified by vitamin D binding protein genotypes (mean ± standard deviation).
| Winter | Summer | |
| VDBP Genotypes | ||
| D432E (rs7041) | ||
| #G/G (N = 22) | 469.4±72.85 | 246.4±72.61 |
| T/G (N = 20) | 277.2±66.40* | 173.9±58.51 |
| T/T (N = 3) | 208.1±153.8* | 143.9±120.6 |
| T436K (rs4588) | ||
| #C/C (N = 32) | 381.3±131.4 | 217.1±80.50 |
| C/A (N = 8) | 290.8±63.6 | 165.0±57.2 |
| A/A (N = 0) | 0 | 0 |
| VDBP Haplotypes | ||
| D432E+T436K | ||
| #Gc1f-1f (N = 1) | 408.0±0 | 62.0±0 |
| Gc1f-1s (N = 9) | 380.6±170.8 | 193.9±75.0 |
| Gc1s-1s (N = 23) | 339.6±116.8 | 241.4±70.85 |
| Gc1f-Gc2 (N = 2) | 332.2±148.4 | 205.8±108.3 |
| Gc1s-Gc2 (N = 6) | 414.3±99.5 | 154.4±41.1 |
| Gc2-Gc2 (N = 0) | 0 | 0 |
#reference group.
*
within season comparison p<0.005 (ANOVA).