Table 1 Instrument parameters
Group | Screw-rod construct | Number of screws | Screw length and diameter (mm) | Rod diameter (mm) |
|---|---|---|---|---|
A | Legacy | 7 | 6.5 × 50 | 5.5 |
B | USSII | 7 | 6.0 × 45 | 5.5 |
C | RF-F-10 | 7 | 6.0 × 45 | 5.5 |
Group | Screw-rod construct | Number of screws | Screw length and diameter (mm) | Rod diameter (mm) |
|---|---|---|---|---|
A | Legacy | 7 | 6.5 × 50 | 5.5 |
B | USSII | 7 | 6.0 × 45 | 5.5 |
C | RF-F-10 | 7 | 6.0 × 45 | 5.5 |