Table 3.

Descriptive statistics, results of Shapiro-Wilk normality analyses and Anova analysis of variance comparisons for study groups with relation to the variability of the wound area and necrotic tissue over time and in terms of the satisfaction level, wound cleaning time and pain level

Variable		Relative reduction [%]			Other variables studied
		Total wound area from day 0 to day 30	Necrotic tissue after debridement at day 0	Necrotic tissue from day 0 to day 30	Satisfaction [0–10]	Cleaning time at day 0 [min]	Cleaning time at day 30 [min]	VAS at day 0 [0–10]	VAS at day 30 [0–10]
Gauze	Min.–max.	0–56.05%	0–52.05%	9.39–95.59%	4–6	4–10	4–10	4–8	4–8
	Mean ± SD	20.69 ±21.93%	23.53 ±19.16%	44.95 ±31.47%	4.75 ±0.89	5.63 ±1.92	5.25 ±2.19	6.13 ±1.89	6 ±1.2
	Median	11.01%	19.11%	43.10%	4.5	5	4	6.5	6
	P-value (SW)	0.082	0.483	0.513	0.018	0.011	0.001	0.024	0.534
Schülke Wound Pad®	Min.–max.	0–80.71%	14.03–62.71%	19.48–100%	7–9	3–7	3–7	3–6	2–4
	Mean ± SD	23.55 ±27.38%	34.11 ±17.51%	68.38 ±28.78%	8.13 ±0.83	4.5 ±1.31	4.25 ±1.28	5 ±1.31	3 ±0.93
	Median	15.62%	28.61%	73.61%	8	4.5	4	5.5	3
	P-value (SW)	0.090	0.237	0.498	0.067	0.283	0.037	0.008	0.030
Debrisoft Pad®	Min.–max.	0–76.83%	22.59–100%	22.59–100%	6–9	4–7	3–5	2–7	2–5
	Mean ± SD	15.41 ±25.72%	63.44 ±32.91%	74.65 ±30.95%	7.5 ±0.93	4.75 ±1.04	4.25 ±0.71	4.63 ±1.92	3 ±1.07
	Median	7.98%	63.77%	90.04%	7.5	4.5	4	4.5	3
	P-value (SW)	0.001	0.103	0.035	0.522	0.007	0.056	0.410	0.120
Clean Wnd®	Min.–max.	0–54.29%	0–70.33%	24.46–87.83%	6–9	7–15	7–15	2–8	2–8
	Mean ± SD	12.51 ±17.95%	23.56 ±22.15%	60.90 ±23.44%	7.5 ±1.07	11.63 ±2.56	9.5 ±2.73	5 ±2.67	4.75 ±2.31
	Median	8.87%	20.30%	67.08%	8	12	8	4.5	5
	P-value (SW)	0.003	0.143	0.327	0.120	0.796	0.030	0.066	0.373
Anova	P-value	0.782	< 0.01	0.216	< 0.001	< 0.001	< 0.001	0.484	< 0.01
	η2	0.04	0.35	0.14	0.69	0.75	0.60	0.08	0.46

Min. – minimum, max. – maximum, SD – standard deviation, p – statistical significance, η² – generalized eta-square.