TABLE 3.

The comparison of wound bacterial clearance rate between two wound groups [n(%)].

Group	Observation group	Control group	X 2 value	P value
Before treatment [n(%)]	25(100)	25(100)	–	–
Day 3 [n(%)]	13(52)	17(68)	1.333	0.248
Day 7 [n(%)]	7(28)	12(48)	2.122	0.145
Day 14 [n(%)]	0	6(24)	6.818	0.03
Negative conversion ratio	100%	76%	6.818	0.03