Table 2 Preoperative radiographic measurements in two groups
parameters | Syringomyelia group | AIS group | P value |
|---|---|---|---|
(n = 14) | (n = 30) |  | |
Age (yrs) | 14.2 ± 2.4 | 15.0 ± 1.8 | 0.25 |
Sex (M/F) | 6/8 | 6/24 | 0.11 |
TL/L-Cobb (°) | 46.7 ± 9.8 | 47.0 ± 9.5 | 0.73 |
TL/L-flexibility (%) | 68.6 ± 20.5 | 70.9 ± 18.7 | 0.30 |
TL/L -AVR (°) | 2.0 ± 0.8 | 2.0 ± 0.6 | 0.84 |
TL/L -AVT (mm) | 47.8 ± 12.3 | 46.4 ± 14.2 | 0.50 |
T-Cobb (°) | 23.9 ± 10.4 | 25.1 ± 6.4 | 0.27 |
T-flexibility (%) | 73.2 ± 29.2 | 72.7 ± 23.8 | 0.61 |
T-AVR (°) | 0.9 ± 0.5 | 0.8 ± 0.4 | 0.82 |
T-AVT (mm) | 11.2 ± 7.0 | 12.6 ± 6.2 | 0.52 |
TS (mm) | 17.9 ± 11.0 | 19.4 ± 11.3 | 0.29 |
TK (T5-T12, °) | 23.6 ± 9.9 | 19.9 ± 8.7 | 0.03* |
LL (L1-S1, °) | 50.9 ± 10.0 | 50.2 ± 14.1 | 0.46 |
SVA (mm) | 25.9 ± 27.0 | 27.9 ± 23.5 | 0.34 |