Table 3.

Cases of wound improvement and closure among the patients 4 weeks after the treatment (χ² test, p < 0.05).

Wound improvement		Placebo group	UCMSC group	Total
Complete wound closure or significant improvement	Patients in group	4	13	17
	% in group	8.2%	22%	15.7%
	% in subcategory	23.5%	76.5%	100%
Moderate improvement	Patients in group	29	41	70
	% in group	59.2%	69.5%	64.8%
	% in subcategory	41.4%	56.6%	100%
Negative outcomes or insignificant improvement	Patients in group	16	5	21
	% in group	32.6%	8.5%	19.5%
	% in subcategory	76.2%	23.8%	100%