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Description of Sagittal Parameters Between Baseline and 2-Year Follow-up.
| Parameters | Baseline | 2 Years | Change (▵) | P | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| PT (°) | 23.5 | 11.0 | 21.0 | 10.2 | −2.4 | 8.2 | <.001 |
| PI-LL (°) | 15.0 | 21.4 | 2.8 | 15.2 | −12.1 | 18.4 | <.001 |
| SVA (mm) | 65.1 | 75.8 | 30.3 | 55.4 | −34.8 | 67.3 | <.001 |
| TPA (°) | 22.4 | 13.8 | 17.2 | 11.2 | −5.2 | 10.8 | <.001 |
Abbreviations: PT, pelvic tilt; PI, pelvic incidence; LL, lumbar lordosis; SVA, sagittal vertical axis; TPA, T1 pelvic angle.
