Table 3. Overview of the average percentage of area where equivalence was observed in the four phantoms for the WSS, TAWSS and OSI.

Circumferential	Percentage of equivalence
	proximal	stenosis	distal
Steady	100	18	66
TAWSS	100	20	58
OSI	100	81	49
Axial	Percentage of equivalence
	proximal	stenosis	distal
Steady	99	0	58
TAWSS	100	0	53
OSI	100	64	45