Table 5.

Comparison of serum Hcy and IGF-1 levels before and after treatment in two groups ($\overline{x}\pm \mathrm{s}$)

	Hcy (μmmol/L)		IGF-1(nmmol/L)
	Before Treatment	After treatment	Before Treatment	After treatment
Observation group(32cases)	16.35 ± 2.68	10.35 ± 1.68	8.6 ± 2.2	11.4 ± 1.6
Control group (32 cases)	16.95 ± 2.88	12.34 ± 1.72	8.2 ± 2.8	9.5 ± 1.2
t	0.575	-4.682	0.635	5.374
P	0.336	< 0.001	0.324	< 0.001