Table II.

Bird-beak length and angle at different levels of design of experiment (DOE) parameters

Variable	Bird-beak length, mm	Bird-beak angle, °
DOE parameter
β, °
49.8	4.00 ± 5.00	8.91 ± 13.17
58.1	4.76 ± 4.73	6.94 ± 8.91
66.4	3.72 ± 4.77	7.90 ± 12.59
α, °
56.4	5.46 ± 5.45	13.97 ± 15.82
65.8	4.76 ± 4.73	6.94 ± 8.91
75.2	2.26 ± 3.60	2.84 ± 4.47
Aortic tissue properties (age group)
Simulations with 4% stent graft oversizing
41-50 years	5.78 ± 5.58	9.12 ± 11.32
71-78 years	4.42 ± 4.46	6.19 ± 6.94
Simulations with 12% stent graft oversizing
41-50 years	3.85 ± 4.75	9.10 ± 13.98
Simulations with 20% stent graft oversizing
41-50 years	2.12 ± 3.78	8.04 ± 14.80
Zone
0A	0 ± 0	0 ± 0
0B	7.32 ± 5.63	3.49 ± 3.02
0C	10.04 ± 4.17	12.11 ± 4.23
1	7.25 ± 4.18	17.38 ± 14.04
2	5.20 ± 3.01	21.48 ± 18.51
3A	2.26 ± 2.19	9.96 ± 11.36
3B	0.24 ± 0.73	0.47 ± 1.41
4	0 ± 0	0 ± 0
Oversizing
Simulations with aortic tissue properties
Age 41-50 years
4%	5.78 ± 5.58	9.12 ± 11.32
12%	3.85 ± 4.75	9.10 ± 13.98
20%	2.12 ± 3.78	8.04 ± 14.80
Age 71-78 years
4%	4.42 ± 4.46	6.19 ± 6.94

α, Aortic arch angle; β, aortic curvature; SD, standard deviation.

Data presented as mean ± standard deviation.