Table 4.
Parameter | PJK (+) | PJK (−) | p | ||
---|---|---|---|---|---|
T-SVA (mm) | 158.4 | ±36.8 | 118.2 | ±46.6 | 0.050 |
L-SVA (mm) | 15.0 | ±21.3 | 27.4 | ±31.8 | 0.351 |
S-SVA (mm) | 194.8 | ±56.2 | 165.1 | ±74.5 | 0.347 |
T-SA ° | 33.5 | ±9.2 | 25.1 | ±12.1 | 0.107 |
L-SA ° | 4.9 | ±8.1 | 10.0 | ±11.8 | 0.300 |
S-SA ° | 25.0 | ±7.2 | 20.4 | ±9.9 | 0.278 |
P-SA ° | 92.4 | ±4.4 | 90.2 | ±22.3 | 0.802 |
T-P SA ° | 32.3 | ±8.1 | 18.7 | ±13.5 | 0.020 * |
L-P SA ° | -1.9 | ±14.1 | 5.1 | ±11.2 | 0.193 |
S-P SA ° | 22.5 | ±7.2 | 14.5 | ±12.1 | 0.116 |
* p < 0.05. T, thoracic; L, lumbar; S, whole spinal; SVA, sagittal vertical axis; SA, sagittal angle; P-SA, pelvic sagittal angle; -P SA, sagittal angle of each spinal segment to the pelvic surface.