Surgical procedures performed on patients in Ontario who underwent surgery for degenerative disease of the lumbar spine between Apr. 1, 1995, and Dec. 31, 2001, by surgeon specialty and volume
| Surgeon volume | Decompressions, no. | Fusions, no. | ||||
|---|---|---|---|---|---|---|
| Neurosurgeons | Orthopedic surgeons | Total | Neurosurgeons | Orthopedic surgeons | Total | |
| Low volume | 1005 | 867 | 1872 | 66 | 357 | 423 |
| High volume | 1481 | 847 | 2328 | 135 | 1370 | 1505 |
| Total | 2486 | 1714 | 4200 | 201 | 1727 | 1928 |