Table 3 SDSG classification system of lumbosacral spondylolisthesis
From: Reliability and development of a new classification of lumbosacral spondylolisthesis
Slip grade | Sacro-pelvic balance | Spino-pelvic balance | Spondylolisthesis type |
|---|---|---|---|
Low-grade | Normal pelvic incidence | -- | Type 1 |
| Â | High pelvic incidence | -- | Type 2 |
High-grade | Balanced | -- | Type 3 |
| Â | Unbalanced | Balanced | Type 4 |
| Â | Â | Unbalanced | Type 5 |