Table 1: Serum and tissue levels of calcium and phosphorus and vitamin D before and after UVB phototherapy.

 

Divalent ion

 

Pre UVB

(mg/dl + SD)

Post UVB (mg/dl ± SD)

P value

Calcium

Serum

7.27 + 0.78

9.13±0.80

0.000

Tissue

0.25 +  0.14

0.90±0.25

0.000

Phosphorus

Serum

9.93 +  2.89

7.90±2.03

0.001

Tissue

0.30 +  0.34

1.40±0.377

0.0016

Vitamin D

Serum

21.22 + 3.96

33.56+6.55

0.000

Tissue

0.50+ 0.18

0.69+0.16

0.000