Table 2: Comparison between serum and tissue levels of calcium and phosphorus in patients (before UVB) and controls

 

Divalent ion

Pre UVB

(mg/dl + SD)

Controls

(mg/dl + SD)

P value

Calcium

Serum

7.27 + 0.78

9.20    +  1.08 

0.000

Tissue

0.25 +  0.14

2.533  +  0.76

0.001

Phosphorus

Serum

9.93 +  2.89

3.711  + 0.837

0.000

Tissue

0.30 +  0.34

1.40    +   0.377

0.000