13 July 2020>: Clinical Research
Structure Design and Optimization of the C5–C6 Cervical Intervertebral Fusion Cage Using the Anterior Cervical Plate and Cage Fixation System
Jiajia Wang 12AE , Zhihui Qian 2BC* , Changlei Cui 3D , Zhijun Guo 4F , Luquan Ren 2GDOI: 10.12659/MSM.924236
Med Sci Monit 2020; 26:e924236
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) |