Skip to main content

Table 1 Bridwell interbody fusion grading system

From: Minimally invasive unilateral pedicle screws and a translaminar facet screw fixation and interbody fusion for treatment of single-segment lower lumbar vertebral disease: surgical technique and preliminary clinical results

Grade

Description

I

Fused with remodeling and trabeculae present

II

Graft intact, not fully remodeled and incorporated, but no lucency present

III

Graft intact, potential lucency present at top and bottom of graft

IV

Fusion absent with collapse/resorption of graft