Skip to main content

Table 1 Bridwell interbody fusion grading system

From: Radiographic and clinical outcomes following MIS-TLIF in patients with adult lumbar degenerative scoliosis

Grade Description
I Fused with remodeling and trabeculae are present
II Graft intact, not fully remodeled and incorporated, but no lucency is present
III Graft intact, potential lucency is present at the top and bottom of the graft
IV Fusion is absent with collapse/resorption of the graft