Table 1. Correlations between blood vessel parameters and age.

Parameters	Correlation coefficient (r)	p
Vessels in whole dermis
area/dermal area (%) area/surface length (%)	-0.626	0.017*
area/surface length (%)	-0.681	0.007*
number/surface length (mm)	-0.272	0.347
number/dermal area (mm2)	-0.014	0.963
Vessels in upper dermis (~200 µm)
area/dermal length (%)	-0.571	0.033*
area/surface area (%)	-0.682	0.007*
number/surface length (mm)	-0.716	0.004*
number/dermal area (mm2)	-0.349	0.221

n=14, * significant correlation