Table 3.
Spine surgery for degenerative diseases
| Category | Subcategory | No. of cases incidence (%) | ||
|---|---|---|---|---|
| 2011 | 2001 | 1994 | ||
| Cervical spine | Cervical spondylotic myelopathy/radiculopathy | 3,564 (72.0) | 1,800 (55.0) | 1,625 (44.3) |
| Cervical disc herniation | 641 (12.9) | 475 (14.5) | 1,046 (28.6) | |
| OPLL | 149 (3.0) | 598 (18.3) | 757 (20.7) | |
| Other degenerative diseases | 600 (12.1) | 396 (12.1) | 235 (6.4) | |
| Lumbar spine | Lumbar disc herniation | 7,086 (33.2) | 3,753 (43.0) | 6,156 (55.2) |
| Lumbar spinal stenosis | 11,136 (52.2) | 3,042 (34.9) | 2,953 (26.5) | |
| Degenerative spondylolisthesis | 1,999 (9.4) | 1,382 (15.8) | 1,169 (10.5) | |
| Spondylolysis, isthmic spondylolisthesis | 270 (1.3) | 359 (4.1) | 687 (6.2) | |
| OPLL | 15 (0.1) | 20 (0.2) | 47 (0.4) | |
| OLF | 113 (0.5) | |||
| OPLL + OLF | 8 (0.0) | |||
| Other degenerative diseases | 711 (3.3) | 169 (1.9) | 138 (1.2) | |
OPLL ossification of posterior longitudinal ligament, OLF ossification of ligamentum flavum