Table 2 Comparison between 3 groups as regards percent change in mean vitamin D and serum calcium

Initial Vitamin D to 4 month

Vitamin D% change

(Median and range)

˗23.97

(−63.6 _190.9)

225

(−14.3_1100)

200

(37.5 _880)

<0.001

Vitamin D 4 month to 12 month

Vitamin D% change

(Median and range)

˗42.31

(−77.8 _ 32.4)

˗53.13

(−83 _225)

5.97

(−36.8 _90.9)

<0.001

Initial Calcium to 4 month

Calcium% change

(Median and range)

˗3.97

(−14.8 _11)

1.23

(−14.4 _21.8)

˗4.21

(−23.5 _13.6)

<0.001