Table 1. Demographic data of patients and assessed parameters.
| Patient | Contracture | Preoperative | Postoperative | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Degrees | SVA | PI | PT | SS | LL | SVA | PI | PT | SS | LL | |
| 1 | 0 | 12 | 58 | 3.4 | 54.7 | 69.9 | 12.3 | 56.4 | 8.4 | 48 | 68.1 |
| 2 | 0 | 118.8 | 79.6 | 31.9 | 47.8 | 52.4 | 42.1 | 83.9 | 37.1 | 46.8 | 55.7 |
| 3 | 0 | -29.4 | 40.9 | 1.1 | 39.8 | 60.1 | -13.6 | 44.2 | 4.6 | 39.6 | 61 |
| 4 | 0 | -22.4 | 48.6 | 4.2 | 44.4 | 64 | 8.9 | 52.8 | 6.3 | 46.6 | 60.3 |
| 5 | 0 | 92.3 | 58 | 13.9 | 44.1 | 50.2 | 43.1 | 61.3 | 18 | 43.3 | 49 |
| 6 | 0 | 26.1 | 34.3 | -8.4 | 42.7 | 47.2 | -2.3 | 35.9 | 3.7 | 32.2 | 41.6 |
| 7 | 0 | 62 | 42.6 | 4 | 38.6 | 51 | 1.6 | 45.7 | 14.1 | 31.6 | 52 |
| 8 | 0 | 7.7 | 40.1 | -4.9 | 45 | 63.8 | -30.6 | 40.4 | -2.3 | 42.7 | 70.9 |
| 9 | 0 | 22.3 | 41.3 | 16.9 | 24.4 | 43.4 | 19.1 | 48.6 | 26.9 | 21.7 | 41.5 |
| 10 | 0 | 28.1 | 54.9 | 11.3 | 43.6 | 63.2 | 26.9 | 56.4 | 14.9 | 41.5 | 62.8 |
| 11 | 20 | 4.7 | 46.9 | -7.2 | 54.2 | 69.9 | 39.5 | 48.2 | 13 | 35.2 | 62.9 |
| 12 | 30 | 23.1 | 50.1 | 8.5 | 41.6 | 68.9 | 73.1 | 62.3 | 15.1 | 47.2 | 65.7 |
| 13 | 10 | 8.1 | 50.2 | 17.4 | 32.9 | 49.3 | 6.6 | 54.8 | 27.9 | 26.8 | 47.7 |
| 14 | 10 | -3.8 | 63.4 | 7.1 | 56.3 | 72.3 | -16 | 65.1 | 16.8 | 48.4 | 72 |
| 15 | 20 | -29.3 | 24.2 | -12.7 | 37 | 52.5 | -48 | 21.9 | -14.1 | 36 | 58.3 |
| 16 | 30 | 39.6 | 40 | -1.1 | 41.1 | 52.1 | 17.6 | 45.7 | 1.8 | 43.9 | 53.5 |
| 17 | 20 | 20.7 | 52.5 | 1.3 | 51.1 | 77.3 | 44.9 | 54.5 | 7.4 | 47.1 | 70.7 |
| 18 | 20 | 48.4 | 33.5 | 14.5 | 19 | 18.5 | 51.9 | 33.3 | 16.2 | 17.1 | 19.7 |
| 19 | 10 | -18.3 | 68.1 | 14.5 | 53.7 | 81.1 | 17.2 | 63.2 | 13.2 | 50 | 76.6 |
| 20 | 10 | 65.7 | 73.8 | 14.9 | 58.8 | 70.9 | 13.2 | 73.3 | 20.4 | 52.9 | 81.1 |
SVA: sagittal vertical axis; PI: pelvic incidence; PT: pelvic tilt; SS: sacral slope; LL: lumbar lordosis