Table 1 A CT scoring system of the interbody fusion proposed by Goldschlager et al.
Fusion grade | Description |
|---|---|
Grade 0 | No new bone formation |
Grade 1 | New bone formation but not continuous between C3 and C4 (cleft of discontinuity) |
Grade 2 | Continuous bridging new bone but comprises < 30% of fusion area |
Grade 3 | Continuous bridging new bone formation of > 30% of fusion area |