Table 3.

Distribution of age- and gender-independent normal ranges regarding the maximum helical volume (HV_max), the accumulated HELICAL VOLUMe (HV_acc) and the accumulated helical volume length (HVL_acc)

Parameter	Age dependency R	Gender dependency R	Median	Lower limit	Upper limit
Maximum helical volume (HVmax) (ml)	0.301	0.308	8.4	1.5	27.9
HVmax thoracic aorta (%)	0.298	0.211	6.0	0.8	13.7
HVmax ascending aorta (%)	0.308	0.308	14.5	2.0	35.4
Accumulated helical volume (HVacc) (ml)	0.401	0.040	9.3	1.97	39.6
HVacc thoracic aorta (%)	0.389	0.015	7.6	1.88	23.7
HVacc ascending aorta (%)	0.451	0.051	19.4	2.72	50.2
Accumulated helical volume length (HVLacc) (mm)	0.269	0.096	58	13	108
HVLacc thoracic aorta (%)	0.277	0.101	16.3	4.0	34.2
HVLacc ascending aorta (%)	0.274	0.084	56.6	8.0	91.7