Table 3 Comparing correlation of postoperative pelvic parameter between patients with and without adjacent segment disease in different age groups
Pelvic parameter | Age ≤ 60 | Age > 60 | ||||
|---|---|---|---|---|---|---|
ASDis (n = 28) | N-ASD (n = 28) | P | ASDis (n = 34) | N-ASD (n = 34) | P | |
LL (°) | 39.45 ± 9.31 | 45.06 ± 11.17 | 0.046 | 37.06 ± 16.71 | 44.92 ± 7.84 | 0.016 |
SS (°) | 37.90 ± 9.10 | 34.41 ± 7.76 | 0.419 | 35.27 ± 10.87 | 30.80 ± 9.53 | 0.076 |
PT (°) | 22.61 ± 12.47 | 18.70 ± 9.36 | 0.190 | 19.88 ± 8.14 | 20.08 ± 9.27 | 0.926 |
PI (°) | 53.77 ± 9.89 | 51.74 ± 11.69 | 0.488 | 55.15 ± 10.99 | 50.87 ± 12.60 | 0.141 |
PI-LL (°) | ||||||
< 10 | 6 (21.4%) | 15 (53.6%) | 0.045 | 10 (29.4%) | 17 (50%) | 0.025 |
10–20 | 16 (57.1%) | 9 (32.1%) | 12 (35.3%) | 14 (41.2%) | ||
> 20 | 6 (21.5%) | 4 (14.3%) | 12 (35.3%) | 3 (8.8%) | ||
△LL (°) | ||||||
< 10 | 16 (57.1%) | 20 (71.4%) | 0.497 | 12 (35.3%) | 23 (67.6%) | 0.027 |
10–20 | 8 (28.6%) | 6 (21.4%) | 17 (50%) | 9 (26.5%) | ||
> 20 | 4 (14.3%) | 2 (7.1%) | 5 (14.7%) | 2 (5.9%) | ||