Table 2.
Comparison of outcomes.
| TPTD group | Non-TPTD group | p value | |
|---|---|---|---|
| SVA, mean ± SD (mm) | |||
| Before surgery | 65.1 ± 52.7 | 70.8 ± 42.6 | 0.49 |
| 2-year after surgery | 113.3 ± 61.0 | 108.6 ± 67.2 | 0.85 |
| LKA, mean ± SD (°) | |||
| Before surgery | 24.3 ± 13.8 | 24.7 ± 11.4 | 0.93 |
| Immediately after surgery | 12.7 ± 11.0 | 11.5 ± 10.0 | 0.78 |
| 2-year after surgery | 16.7 ± 11.4 | 19.1 ± 9.4 | 0.36 |
| Correction loss | 4.0 ± 4.5 | 7.6 ± 5.9 | 0.02 |
| Subsequent fracture (%) | 30.4 | 24.0 | 0.58 |
| Pedicle screw loosening (%) | 34.8 | 48.0 | 0.32 |
| Vertebral union rate (%) | 100.0 | 98.0 | 0.99 |
| JOABPEQ effectiveness rate (%) | |||
| Low back pain | 40.0 | 61.8 | 0.22 |
| Lumbar function | 68.8 | 51.4 | 0.36 |
| Walking ability | 43.8 | 48.6 | 0.77 |
| Social life function | 43.8 | 60.0 | 0.37 |
| Mental health | 43.8 | 51.4 | 0.76 |
SD standard deviation, SVA sagittal vertical axis, LKA local kyphosis angle, JOABPEQ Japanese Orthopaedic Association Back Pain Evaluation Questionnaire.