Table 4 Comparison of the local lumbar and lumbosacral deformity angle
|  | Kyphosis angle(°) | Angle correction | Correction loss (°) | ||||
|---|---|---|---|---|---|---|---|
Group | n | ||||||
Pre | Post | FFU | Post (°) | Rate (%) | |||
A1k | 20 | 16.8 ± 8.5 | 3.8±1.5 | 5.1 ± 1.6 | 13.1 ± 7.6 | 74.9 ± 11.8 | 1.3 ± 0.6 |
B1k | 16 | 17.5 ± 8.3 | 4.3±1.8 | 5.5 ± 1.8 | 13.2 ± 7.2 | 72.0 ± 11.9 | 1.2 ± 0.6 |
P value | P = 0.806 | P = 0.355 | P = 0.460 | P = 0.957 | P = 0.469 | P = 0.597 | |
|  | Lordotic angle (°) |  | |||||
Pre | Post | FFU | |||||
A1l | 10 | 9.7 ± 8.8 | 16.9 ± 6.0 | 15.9 ± 6.0 | 7.1 ± 4.1 | 47.8 ± 27.2 | 0.9 ± 0.4 |
B1l | 10 | 10.5 ± 7.6 | 18.1 ± 3.4 | 17.3 ± 3.7 | 7.6±5.1 | 46.4 ± 32.8 | 0.9 ± 0.3 |
P value | P = 0.831 | P = 0.565 | P = 0.554 | P = 0.818 | P = 0.915 | P = 0.847 | |
|  | Lumbosacral angle (°) |  | |||||
Pre | Post | FFU | |||||
A2 | 12 | 13.4 ± 6.8 | 19.4 ± 4.3 | 18.7 ± 4.4 | 6.0 ± 3.4 | 34.3 ± 21.5 | 0.7 ± 0.3 |
B2 | 14 | 13.7 ± 6.2 | 20.0 ± 3.4 | 19.3 ± 3.2 | 6.3 ± 3.2 | 34.1 ± 20.9 | 0.8 ± 0.3 |
P value | P = 0.884 | P= 0.676 | P = 0.703 | P = 0.832 | P = 0.985 | P = 0.611 | |