| Variable | No. | % |
| Duration of symptoms mean ± SD (10 ± 9 weeks) | ||
| Leg pain | ||
| Right | 21 | 70.0 |
| Left | 9 | 30.0 |
| Leg parasthesia | ||
| Right | 21 | 70.0 |
| Left | 9 | 30.0 |
| Back pain | ||
| No | 0 | - |
| Yes | 30 | 100.0 |
| Muscle weakness | ||
| Right | 21 | 70.0 |
| Left | 9 | 30.0 |