Table 2. Comparison of spinal sagittal plane tilt angles with and without Th5−9 level pain.
| Level | A2 (Group with pain, N=19) | B2 (Painless group, N=11) | p-value |
| Th1/2 | 2.7 ± 2.0 | 5.1 ± 2.8 | * |
| Th2/3 | 6.5 ± 2.6 | 10.1 ± 6.8 | |
| Th3/4 | 6.5 ± 2.3 | 6.8 ± 2.5 | |
| Th4/5 | 4.1 ± 2.1 | 3.2 ± 2.2 | |
| Th5/6 | 3.3 ± 1.6 | 3.2 ± 2.5 | |
| Th6/7 | 3.3 ± 2.0 | 3.1 ± 2.5 | |
| Th7/8 | 5.5 ± 2.5 | 4.7 ± 3.0 | |
| Th8/9 | 5.0 ± 2.6 | 4.2 ± 2.3 | |
| Th9/10 | 3.0 ± 2.3 | 3.6 ± 2.4 | |
| Th10/11 | 2.5 ± 2.4 | 3.3 ± 2.2 | |
| Th11/12 | 2.0 ± 1.8 | 1.8 ± 1.5 | |
| Th12/L1 | 1.7 ± 1.3 | 3.2 ± 2.2 | * |
| L1/2 | 1.8 ± 1.6 | 3.0 ± 2.1 | |
| L2/3 | 2.4 ± 1.7 | 4.8 ± 3.3 | * |
| L3/4 | 3.0 ± 1.8 | 3.8 ± 2.0 | |
| L4/5 | 2.7 ± 2.2 | 1.9 ± 1.4 | |
| L5/S1 | 1.5 ± 1.1 | 2.0 ± 1.0 |
Mean ± standard deviation, Unit: °, Unpaired t-test, *p<0.05.