Table 2.

Comparison of the improvement of scar between the two groups ($\overline{x}\pm s$, score).

Groups	n	ECCA		VSS
		Before treatment	After treatment	Before treatment	After treatment
Control group	350	89.12 ± 7.08	69.21 ± 3.15∗	8.41 ± 1.14	5.65 ± 2.86∗
Study group	350	89.83 ± 6.98	49.38 ± 2.69∗	8.39 ± 1.21	3.55 ± 1.72∗
T		0.875	8.631	0.147	7.707
P		>0.05	<0.05	>0.05	<0.05

Note. Compared with before treatment, ^∗P < 0.05.