Structure Design and Optimization of the C5–C6 Cervical Intervertebral Fusion Cage Using the Anterior Cervical Plate and Cage Fixation System

13 July 2020 : Clinical Research

Jiajia Wang^12AE*, Zhihui Qian^2BC, Changlei Cui^3D, Zhijun Guo^4F, Luquan Ren^2G

DOI: 10.12659/MSM.924236

Med Sci Monit 2020; 26:e924236

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Table 3 Quadratic rotating experimental design scheme.

Factors No. of experiments	x1(z1)	x2(z2)	x3(z3)
1	1 (0.5946)	1 (1.696)	1 (2.0946)
2	1 (0.5946)	1 (1.696)	−1 (0.9054)
3	1 (0.5946)	−1 (0.804)	1 (2.0946)
4	1 (0.5946)	−1 (0.804)	−1 (0.9054)
5	−1 (−0.5946)	1 (1.696)	1 (2.0946)
6	−1 (−0.5946)	1 (1.696)	−1 (0.9054)
7	−1 (−0.5946)	−1 (0.804)	1 (2.0946)
8	−1 (−0.5946)	−1 (0.804)	−1 (0.9054)
9	−r (−1)	0 (1.25)	0 (1.5)
10	r (1)	0 (1.25)	0 (1.5)
11	0 (0)	−r (0.5)	0 (1.5)
12	0 (0)	r (2)	0 (1.5)
13	0 (0)	0 (1.25)	−r (0.5)
14	0 (0)	0 (1.25)	r (2.5)
15	0 (0)	0 (1.25)	0 (1.5)
16	0 (0)	0 (1.25)	0 (1.5)
17	0 (0)	0 (1.25)	0 (1.5)
18	0 (0)	0 (1.25)	0 (1.5)
19	0 (0)	0 (1.25)	0 (1.5)
20	0 (0)	0 (1.25)	0 (1.5)

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