Table 1.
Patient characteristics.
| All Patients | |
|---|---|
| n | 73 |
|
| |
| Age (years) | |
| mean | 48.9 ± 13.4 |
| min-max | 17–85 |
| Female | 33 (45.2%) |
| Level | |
| L2-3 | 2 (2.7%) |
| L3-4 | 4 (5.5%) |
| L3-4-5 | 3 (4.1%) |
| L4-5 | 43 (58.9%) |
| L4-5-S1 | 8 (11.0%) |
| L5-S1 | 13 (17.8%) |
| Side | |
| left | 37 (50.7%) |
| right | 31 (42.5%) |
| both | 5 (6.8%) |
| Radicular Pain | 56 (76.7%) |
| Sensory Loss | 43 (58.9%) |
| Follow-up (months) | |
| mean | 35.6 ± 40.2 |
| min-max | 1–132 |
| Macnab's outcome criteria | |
| mean | 2.2 ± 1.0 |
| substantial pain relief (1+2) | 49 (67.1%) |
| Additional surgery at index level | 19 (26.0%) |
| Period until surgery (months) | |
| mean | 10.1 ± 17.1 |
| min-max | 1–70 |