Table 1.

Lane–Sandhu’s scores of DR in each group.

Groups	Time (days)	n	Model	L-Icariin	M-Icariin	H-Icariin
Young	1	6	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
	10	6	2.33 ± 0.52	3.33 ± 0.52#	5.16 ± 0.41*,#	5.50 ± 0.55*,#
	20	3	4.67 ± 0.58	5.33 ± 0.58#	8.33 ± 0.58*,#	9.33 ± 0.58*,#
Old	1	6	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
	10	6	2.17 ± 0.41	2.33 ± 0.52	4.17 ± 0.41*	4.83 ± 0.41*
	20	3	4.00 ± 1.00	4.33 ± 0.58	5.00 ± 0.00*	5.67 ± 0.58*

^*p< 0.05 vs. corresponding time’s model group.

^#p< 0.05 vs. corresponding time’s old group.