Efficacy of lidocaine wet compress combined with red-light irradiation for chronic wounds

Table 1 Comparison of the general characteristics

Group	Sex		Age (yr, mean ± SD)	Wound bed temperature (°C, mean ± SD)	Wound area (cm2, median ± IQR)
	Male	Female
Control (n = 75)	36	39	46.2 ± 11.80	32.80 ± 2.80	7.04 ± 4.17
Experimental (n = 75)	38	37	52.9 ± 11.5	32.74 ± 1.96	7.06 ± 3.29
Statistic	0.107		1.709	-0.313	-0.031
P value	0.743		0.09	0.76	0.95

IQR: Interquartile range.

Table 2 Comparison of the degree of pain during dressing changes

Group	Pain score at the first dressing change	Pain score at the second dressing change	Pain score at the third dressing change
Control	7.80 ± 0.86	7.33 ± 0.98	6.47 ± 1.36
Experimental	7.67 ± 0.72	6.27 ± 0.70	5.27 ± 0.96
t	-0.459	-3.434	-2.797
P value	0.650	0.002	0.009

Table 3 Comparison of the degree of wound healing, n (%)

Groups	Cases	Cured	Markedly effective	Improved	Ineffective	Total rate of effectiveness	χ2	P value
Control	75	27 (36.0)	25 (33.3)	13 (17.3)	10 (13.3)	65 (86.7)	4.127	0.042
Experimental	75	30 (40.0)	27 (36.0)	15 (20.0)	3 (4)	72 (96)