Vitamin D status

p value

Normal

(≥30 ng/ml)

Vitamin D insufficiency

(20 - 29 ng/ml)

Vitamin D deficiency

(<20 ng/ml)

Mean(SD)

Mean(SD)

Mean(SD)

Age

38.8(13.5)

40.5(13.9)

40.3(12.0)

0.432

Ca (mg/dL)

9.4(0.5)

9.7(2.9)

9.5(0.6)

0.066

Corrected Ca (mg/dL)

9.7(0.5)

9.7(0.6)

9.7(0.5)

0.989

Phosphate (mg/dL)

3.5(0.5)

3.5(0.6)

3.5(0.6)

0.886

iPTH (pg/mL)

51.1(33.4)

57.1(26.0)

60.7(43.9)

0.03

25(OH) D (ng/mL)

48.8(15.8)

24.4(2.6)

10.6(4.7)

0.0001

Winter cases (n-%)

93(20.8)

76(17.0)

279(62.3)

0.065

0.063

Summer cases (n-%)

62(19.9)

35(11.2)

215(68.9)