Statistical parameters Serum Iron(Fe) (µg/dl) Serum calcium(Ca) mg/dl
  Group-1 Group-2 Group-1 Group-2
  Before After Before After Before After Before After
Mean 62.6500 75.0000 62.8500 78.7000 8.9140 9.1100 9.0864 9.1071
Median 62.0000 72.0000 63.0000 79.5000 8.9000 9.0000 9.2000 9.0000
Mode 62.00 72.00 64.00 80.00 8.90 9.00 9.20 10.00
Range 12.00 18.00 6.10 12.00 2.00 2.50 2.00 2.00
S.D 4.34645 6.01849 1.84589 3.64143 0.66106 0.79366 0.67107 0.76607
T value -7.351 -16.950 -1.990 -0.210
P value 0.000** 0.000** 0.078* 0.837*
**P<0.05 shows a significant change
Table 1: Iron supplementations have no effect on serum calcium.