Indications.
| Indication | N (%) |
|---|---|
| Classical | 515 (85%) |
| Non-Classical | 90 (15%) |
| Leg pain with significant back pain | 34 (6%) |
| Far lateral/foraminal herniation | 14 (2%) |
| Recurrent disc herniation following surgery | 3 (0.5%) |
| dominant neurology with minimal leg pain | 3 (0.5%) |
| two level herniations | 27 (4%) |
| Cauda equina syndrome | 1 (0.1%) |