Group A

Group B

Test value•

P-value

No. = 20

No. = 20

Vitamin D level before

supplementation

Mean ± SD

22.72 ± 7.20

21.22 ± 6.80

11.05

<0.001

Range

11 - 29

10 - 29

Vitamin D level after

supplementation

Mean ± SD

33.40 ± 7.92

36.30 ± 11.09

0.397

0.674

Range

25 - 55

23 - 69

Paired t-test

P-value

<0.001

<0.001

% of improvement

Median (IQR)

59.82

(33.3 - 82.57)

88.3

(72.8 - 113.94)

2.164 ≠

0.030

Range

10 - 160

4.55 - 200