| Description | Number |
|---|---|
| Total Number | 4 |
| Mean Age (years) | 55.3 |
| Gender (male/female) | 0/4 |
| Previous Spine Surgery | 3 |
| Workmans Comp | 1 |
| Previous iliac crest bone graft | 1 |
| Postsurgical Pain Relief | |
| No Pain | 0 |
| Excellent | 0 |
| Good | 3 |
| Fair | 1 |
| NWB Compliance Postop | |
| Yes | 2 |
| No | 2 |
| Postop Complication | |
| Infected Hematoma | 1 |
| Traumatic Fall | 1 |
| Radiographic Lucency | 4 |
| Implant Fully in Bone | |
| Yes | 2 |
| No | 2 |
| Bone Ingrowth | 4 |
| Bone Across SI Joint | |
| None | 3 |
| Non Contiguous | 1 |
| Contiguous <1cm | 0 |
| Contiguous >1cm | 0 |