Preop and Postop Foraminal Area Increase on Sagittal CT Scans (%)
| Proximal Recess | Lateral Foramen | |||
|---|---|---|---|---|
| SurgiFile | Standard | SurgiFile | Standard | |
| Cadaver 1 L2—3 | 105 | 42 | 110 | 20 |
| Cadaver 1 L3—4 | 150 | 45 | 104 | 15 |
| Cadaver 1 L4—5 | 182 | 65 | 135 | 11 |
| Cadaver 1 L5—S1 | 114 | 50 | 133 | 0 |
| Cadaver 2 L2—3 | 84 | 71 | 45 | 0 |
| Cadaver 2 L3—4 | 34 | 100 | 20 | 16 |
| Cadaver 2 L4—5 | 42 | 62 | 16 | 20 |
| Cadaver 2 L5—S1 | 37 | 41 | 26 | 2 |
| Average | 93,5 | 59,5 | 73,625 | 10,5 |