Table 4.

Comparison of Wound Healing in All Groups.

Parameters	al-PRP group	au-PRP group	CWT group	P-value
Ulcer area (cm2)	8.43 ± 6.93	5.64 ± 3.91	9.73 ± 9.72	0.19H
Ulcer number	1.10 ± 0.45	1.24 ± 0.44	1.40 ± 0.72	0.12H
Ulcer healing time (d)	56.9 ± 29.22	55.6 ± 33.8	88.0 ± 43.4*#	0.002H
Healing area/day (mm2)	16.77 ± 12.85	14.31 ± 18.28	9.90 ± 8.509	0.12H

al-PRP: allogeneic platelet-rich plasma; au-PRP: autologous platelet-rich plasma; CWT: conventional wound therapeutic.

H: rank sum test (Kruskal–Wallis test).

* Compared to al-PRP group, P < 0.05; ^#Compared to al-PRP group, P < 0.05.