Table 1 Baseline characteristics of the participants
From: The impact of vitamin D supplementation on body fat mass in elite male collegiate athletes
All athletes (n = 42) | Non-supplement group (n = 15) | Supplement group (n = 27) | P value | |
|---|---|---|---|---|
Age, y | 20 ± 1 | 20 ± 1 | 20 ± 1 | 0.3 |
Height, cm | 172 ± 5 | 171 ± 6 | 172 ± 5 | 0.7 |
Hockey/Fencing | 24/18 | 11/4 | 13/14 | 0.2 |
Body composition | ||||
BMI, kg/m2 | 21.4 ± 2.6 | 20.4 ± 1.1 | 22.0 ± 3.0 | 0.06 |
Body fat percentage, % | 11.0 ± 3.5 | 9.0 ± 1.9 | 12.1 ± 3.8 | 0.005 |
Bone mass, kg | 2.9 ± 0.3 | 2.8 ± 0.2 | 3.0 ± 0.3 | 0.1 |
Lean mass, kg | 56.1 ± 5.0 | 54.5 ± 3.7 | 57.1 ± 5.4 | 0.1 |
Laboratory results | ||||
Serum 25(OH) D, ng/mL | 20.0 ± 5.5 | 22.7 ± 5.7 | 18.5 ± 4.9 | 0.02 |
Serum Calcium, mg/dL | 9.8 ± 0.3 | 9.8 ± 0.4 | 9.8 ± 0.3 | 0.6 |
Serum Phosphorus, mg/dL | 3.5 ± 0.5 | 3.5 ± 0.3 | 3.5 ± 0.5 | 1.0 |