Table 5.

Changes of d and f after treatment

	G1		G2		G3		G4
	Mean ± SD	P	Mean ± SD	P	Mean ± SD	P	Mean ± SD	P
d 0	1.873 ± 1.841	0.009	3.346 ± 2.198	0.062	5.283 ± 3.199	0.005	4.520 ± 3.440	0.009
d 1	2.763 ± 3.414		2.546 ± 1.214		6.826 ± 2.691		3.320 ± 2.015
f 0	1.377 ± 1.610	0.240	1.008 ± 1.398	0.350	1.674 ± 1.795	0.002	2.015 ± 2.143	0.000
f 1	1.659 ± 2.227		0.738 ± 0.834		0.888 ± 1.540		0.527 ± 0.207