Table 3.
Posterior fusion: direct rotation (DR) versus no-direct rotation (No-DR)
| Sagittal measurements | DR | No-DR | Significance |
|---|---|---|---|
| T5–T12 kyphosis preop (°) | 16.8° (0 to 28) | 17.5° (2 to 29) | ns |
| T5–T12 kyphosis postop (°) | 14.1° (0 to 21) | 16.0° (2 to 25) | ns |
| T5–T12 kyphosis follow-up (°) | 14.5° (3 to 22) | 16.5° (4 to 26) | ns |
| T10–L2 alignment preop (°) | 12.5° (−10 to −55) | 11.8° (−18 to −58) | ns |
| T10–L2 postop (°) | 4.5° (−15 to −57) | 6.8° (−10 to −21) | ns |
| T10–L2 follow-up (°) | 5.3° (−10 to −65) | 8.2° (−10 to −22) | ns |
| L1–L5 lordosis preop (°) | −42.0° (−60 to −15) | −44.1° (−65 to −20) | ns |
| L1–L5 lordosis postop (°) | −40.8° (−55 to −15) | −41.2° (−60 to −15) | ns |
| L1–L5 lordosis follow-up (°) | −45.9° (−58 to −20) | −43.2° (−65 to −20) | ns |
Inside brackets (Range, minimum to maximum)
ns not statistically significant