Table 2. Demographic Data.
| Number of patients | 86 |
| Sex (M/F) | 34/52 |
| Age (yr-old) | 66.3±5.9* |
| Co-morbidity (%) | |
| Hypertension | 61 (70.9) |
| Diabetes mellitus (type II) | 49 (56.7) |
| Level (%) | |
| L2-3 | 5 (5) |
| L3-4 | 9 (10) |
| L4-5 | 39 (45) |
| L5-S1 | 17 (20) |
| Multiple levels | 26 (30) |
| Symptoms (%) | |
| Radicular pain alone | 8 (9) |
| Neurogenic claudication alone | 11 (13) |
| Combined | 67 (78) |
| Pain scores | |
| VAS back (0-10) | 4.23±1.35* |
| VAS leg (0-10) | 5.93±1.64* |
| ODI (0-45) | 24.76±5.74* |
| LANSS (0-25) | 8.26±5.36* |
| Over 12 (%) | 31 (36) |
| Less than 12 (%) | 55 (64) |
LANSS, Leads Assessment of Neuropathic Symptoms and Signs; ODI, Oswestry Disability Index; VAS, visual analog scale.
*Mean±standard deviation.