Table 2 Results of the sagittal parameters
(Degree) | T1–T12 Kyp | T4–T12 Kyp | T5–T12 Kyp✽ | L1–L5 Lord | L1–S1 Lord | PT | PI | SS | |
|---|---|---|---|---|---|---|---|---|---|
Control (n = 69) | Mean | 43.4 | 37.7 | 32.9 | 46.0 | 57.0 | 7.1 | 46.2 | 39.1 |
S.D. | 12.7 | 15.1 | 15.0 | 9.1 | 10.4 | 7.3 | 8.3 | 6.7 | |
AIS (n = 458) | Mean | 34.1 | 27.1 | 24.9 | 46.4 | 54.9 | 7.5 | 47.3 | 39.6 |
S.D. | 17.1 | 18.8 | 15.8 | 13.2 | 14.8 | 8.3 | 12.8 | 10.3 | |
t test | p | < 0.001 | < 0.001 | < 0.001 | 0.830 | 0.290 | 0.722 | 0.564 | 0.748 |