Table 5 The RoE in blocks around the pedicle screws with different material properties
|  | Age > 75 yrs | 75 yrs > age > 50 yrs | 50 yrs > age | |||
|---|---|---|---|---|---|---|
E (MPa) | 60 | 100 | 140 | 180 | 220 | 260 |
Δr (mm) | 4.73 | 4.73 | 5.06 | 5.06 | 5.40 | 5.40 |
V A(ml) | 6.67 | 6.67 | 7.35 | 7.35 | 8.07 | 8.07 |