Group A (n = 20)

Group B (n = 20)

Test of Sig.

P

No.

%

No.

%

Dose of mg sulphate (gm)

14 - 34

18

90.0

20

100.0

χ² = 2.105

^FEp = 0.487

>34

2

10.0

0

0.0

Min. - Max.

34.0 - 38.0

14.0 - 18.0

t = 53.774^*

<0.001*

Mean ± SD.

34.30 ± 0.98

14.60 ± 1.31

Median

34.0

14.0