Case Distribution of Operated Disc Levels and Herniation Types/Locations (n = 204)
| No. (%) | |
|---|---|
| Disc level | |
| L1–L2 | 3 (1.5) |
| L2–L3 | 7 (3.4) |
| L3–L4 | 25 (12.3) |
| L4–L5 | 92 (45.0) |
| L5–S1 | 77 (37.8) |
| Herniation type/location | |
| Bulging | 60 (29.4) |
| Central | 26 (12.8) |
| Lateral | 46 (22.6) |
| Foraminal | 71 (34.7) |
| Extraforaminal | 1 (0.5) |