| Variables (n = 20) | Clinical characters | |
| No. | % | |
| Clinical presentation | ||
| Back pain & sciatica | 17 | 85% |
| lower limb radicular pain | 3 | 15% |
| Side of radical pain | ||
| Right side | 8 | 40% |
| Left side | 12 | 60% |
| Motor affection | ||
| No | 15 | 75% |
| weaknesses | 5 | 25% |
| Sensory affection | ||
| No | 11 | 55% |
| Hypoesthesia | 9 | 45% |
| Radiological findings | ||
| Foraminal disc prolapse | 17 | 85% |
| Extra-foraminal disc prolapse | 3 | 15% |
| Levels of disc prolapse | ||
| L4-5 disc | 13 | 65% |
| L5-S1 | 7 | 35% |