Table-III.

Comparison of serum biochemical indexes between the two groups (X̄±S).

Status	Group	n	VEGF (ng/ml)	ET-1 (pg/ml)	MSH (pg/ml)
Before treatment	Study group	42	87.33±11.53	86.04±15.71	259.71±35.80
	Control group	38	89.31±12.48	88.07±16.01	266.71±41.82
	t		0.738	0.572	0.806
	p		0.463	0.569	0.423
After treatment	Study group	42	110.23±12.53a	70.23±12.48a	198.57±28.81a
	Control group	38	101.44±13.61a	78.73±12.21a	234.52±37.50a
	t		3.007	3.072	4.771
	p		0.004	0.003	<0.001

Note:

^aindicates a comparison with the group before treatment, p < 0.05.