Table 6.

Collagen area correlation with VEGF cells and blood vessels in the Laser and Control groups

	Collagen
	14 days	P	21 days	P	28 days	P	35 days	P
VEGF control	−0.600	0.285	−0.300	0.624	−0.100	0.873	−0.100	0.873
VEGF laser	0.900	0.037*	0.500	0.391	0.900	0.037*	−0.900	0.037*
Control's vessels number	−0.300	0.624	−0.447	0.450	−0.616	0.269	0.300	0.624
Laser's vessels number	0.400	0.505	−0.224	0.718	−0.154	0.805	−0.359	0.553

^*Spearman correlation; statistically significant P < 0.05.