Table 2

Relationship of Lordosis Change with 2-year Clinical Outcomes and Fusion Rates.

CharacteristicL1-S1 Lordosis ChangeL4-S1 Lordosis Change
>5° ↓ (n = 6)≤ 5° ∆ (n = 47)>5° ↑ (n = 5)>5° ↓ (n = 7)≤ 5° ∆ (n = 49)>5° ↑ (n = 2)
Fusion rate (L4-L5)100%92%100%100%92%100%
Fusion rate (L5-S1)100%96%100%100%96%100%
Mean back pain improvement75%53%56%71%52%69%
Mean ODI improvement*59%42%56%67%38%100%
Good or excellent Odom's75%85%75%100%82%100%
  • * n = 38