AFM Characterization of the Internal Mammary Artery as a Novel Target for Arterial Stiffening

Table 2

Elastic modulus for the media, adventitia, and media + adventitia for the IMA tested when dehydrated. The Mann–Whitney test was used to test the statistical difference between each layer of the low and high PWV groups.

	Media	Adventitia	Media and adventitia
Low PWV
	8	8	8
Mean (MPa)	2116.2	2159.3	2137.7
SD (MPa)	523.1	282.5	353.0
Coefficient of variation (%)	24.7	13.1	16.5
High PWV
	9	9	9
Mean (MPa)	3163.6	2895.2	3029.4
SD (MPa)	548.7	414.4	380.7
Coefficient of variation (%)	17.3	14.3	12.6
value	0.003	0.002	0.002