Table 3.

The effect on the degree of healing of ulcer area and the level of TNF-α.

Group	n	Heal number	Heal rate (%)
Blank control	12	12	100
Model	12	0	0
Kouyanqing granule	12	9	75.0
High dose Shuangjinlian mixture	12	7	58.3
Middle dose Shuangjinlian mixture	12	6	50.0
Low dose Shuangjinlian mixture	12	5	41.7

Note: <1 mm, judgement healing; ≥1 mm, judgement not healing.