Table 5.

Comparison of NIRS ${\mathrm{rSO}}_{\mathrm{2}}$ change in different wound healing groups.

Poor wound healing		Good wound healing
NIRS ${\mathrm{rSO}}_2$ change after the revascularization, Mean $\pm$ SD	No. of patients	NIRS ${\mathrm{rSO}}_2$ change after the revascularization, Mean $\pm$ SD	No. of patients	p value
13.6 $\pm$ 3.3	6	27.2 $\pm$ 25.2	18	0.017

Student’s t-test used for comparison.

NIRS, near infrared spectroscopy.