Table 3.
Variable | Preoperative |
Postoperative |
||||
---|---|---|---|---|---|---|
ASD (n=30) | Non-ASD (n=31) | p-value | ASD (n = 30) | Non-ASD (n = 31) | p-value | |
PeIvic incidence (PI) | 55.34 ± 11.85 | 52.56 ± 11.25 | 0.353 | 55.33 ± 11.85 | 52.64 ± 11.26 | 0.511 |
Pelvic tilt (PT) | 22.16 ± 10.14 | 19.04 ± 8.76 | 0.203 | 21.10 ± 10.80 | 14.94 ± 8.76 | 0.017* |
PT > 15 | 22 (73.3) | 22 (71.0) | > 0.999 | 22 (73.3) | 14 (45.2) | 0.037* |
Sacral slope | 33.16 ± 9.38 | 33.51 ± 8.99 | 0.882 | 34.23 ± 7.82 | 37.61 ± 7.68 | 0.094 |
Lumbar lordosis (LL) | 40.63 ± 15.30 | 39.67 ± 14.45 | 0.801 | 44.96 ± 12.08 | 48.61 ± 10.20 | 0.207 |
Segmental angle | 4.06 ± 3.96 | 1.52 ± 5.89 | 0.060 | 10.78 ± 3.21 | 10.62 ± 3.27 | 0.849 |
PI–LL | 14.07 ± 16.14 | 12.89 ± 13.67 | 0.638 | 10.36 ± 16.12 | 3.94 ± 10.37 | 0.069 |
PI–LL > 10 | 22 (73.3) | 23 (74.2) | > 0.999 | 21 (70.0) | 9 (29.0) | 0.002* |
L1 SVA (mm) | 24.86 ± 21.84 | 27.90 ± 24.57 | 0.612 | 18.30 ± 22.49 | 18.88 ± 17.76 | 0.912 |
Disc height (mm) | 8.58 ± 2.55 | 7.74 ± 2.57 | 0.205 | 13.98 ± 1.85 | 13.48 ± 1.60 | 0.258 |
Values are presented as mean±standard deviation or number (%).
ASD, adjacent segment disease; SVA, sagittal vertical axis.
Chi-square test and Student t-test were used for statistical analysis.
p<0.05, statistically significant difference.