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Table 3 Comparison between the groups after intervention

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

Body composition

Post BMI, kg/m2

22.0 ± 2.7

21.1 ± 1.3

22.5 ± 3.1

0.1

Change value of BMI, kg/m2

0.6 ± 1.9

0.7 ± 0.7

0.6 ± 2.3

0.8

Post body fat percentage, %

11.8 ± 3.5

10.9 ± 2.8

12.3 ± 3.8

0.2

Change ratio of body fat percentage, %

0.8 ± 2.4

1.9 ± 2.6

0.2 ± 2.0

0.02

post Bone mass, kg

2.9 ± 0.2

2.9 ± 0.2

3.0 ± 0.3

0.3

Change value of bone mass, kg

0.0 ± 0.1

0.0 ± 0.1

0.0 ± 0.1

0.1

Post lean mass, kg

56.4 ± .4.7

55.2 ± .3.6

57.1 ± 5.2

0.2

Change value of lean mass, kg

0.3 ± .1.7

0.7 ± .1.6

0.0 ± 1.7

0.2

Laboratory results

Post serum 25(OH) D, ng/mL

25.3 ± 5.6

24.4 ± 5.5

25.8 ± 5.6

0.4

Change value of serum 25(OH) D, ng/mL

5.3 ± 5.1

1.7 ± 1.9

7.2 ± 5.2

> 0.001

Post serum Calcium, mg/dL

9.6 ± 0.4

9.5 ± 0.3

9.7 ± 0.4

0.2

Change value of serum Calcium, mg/dL

− 0.1 ± 0.5

− 0.3 ± 0.6

− 0.1 ± 0.4

0.2

Post serum Phosphorus, mg/dL

3.3 ± 0.4

3.4 ± 0.4

3.3 ± 0.4

0.3

Change value of serum Phosphorus, mg/dL

− 0.2 ± 0.6

− 0.1 ± 0.5

− 0.2 ± 0.6

0.4

  1. The values are given as mean ± standard deviation
  2. Bold indicates statistically significant P values (P < 0.05)
  3. BMI body mass index