Summary of patients’ demographics and clinical characteristics.
| Overall | ||
|---|---|---|
| Obesity | Control | |
| Number of patient | 21 | 27 |
| Gender (males/females) | 14/7 | 12/15 |
| Average age (years) (range) | 37.8 | 38.1 |
| BMI (kg/m2) (range) | 32.9 | 20.8 |
| Preop. Sx duration (weeks) | 11.1 | 14.5 |
| Mean FU duration (months) | 31.9 | 28.3 |
| Discectomy level (cases) | ||
| L2-3 | 2 | 0 |
| L3-4 | 1 | 0 |
| L4-5 | 13 | 21 |
| L5-S1 | 5 | 6 |
| Heniation type | ||
| Contained/non-contained | 12/9 | 11/16 |
| Recurrent herniation* | 5 | 5 |
BMI: body mass index; FU: follow-up.
↵* Cases with recurrent lumbar disc herniation after conventional microdiscectomy.