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 Wang12AE*, Zhihui Qian2BC, Changlei Cui3D, Zhijun Guo4F, Luquan Ren2GDOI: 10.12659/MSM.924236
Med Sci Monit 2020; 26:e924236
Table 2 Factor level coding table.
| xj(zj) | z1/mm | z2/mm | z3/mm |
|---|---|---|---|
| R(z) | 1 | 2 | 2.5 |
| 1(z+Δ) | 0.595 | 1.696 | 2.095 |
| 0(z) | 0 | 1.25 | 1.5 |
| −1(z−Δ) | −0.595 | 0.804 | 0.905 |
| −r(z) | −1 | 0.5 | 0.5 |
| 0.595 | 0.446 | 0.595 | |