Table 2 Comparisons of the sagittal spinal–pelvic alignment parameters and LBP

SS(°)

40.4 ± 6.7

47.5 ± 7.5*

45.7 ± 7.2*

54.3 ± 2.8*^▲

LL(°)

-53.3 ± 11.5

−63.7 ± 9.2*

−61.3 ± 8.8*

−72.9 ± 3.0*^▲

SSA(°)

130.6 ± 7.9

141.8 ± 7.2*

139.7 ± 6.3*

150.2 ± 3.6*^▲

C7T(°)

91.1 ± 3.7

93.9 ± 3.6*

93.3 ± 3.6*

96.3 ± 2.3*^▲

SVA (mm)

6.4 (−52–47)

−16 (−95–45) *

−11.1(− 70–44.5) *

−32.6(−95–0) *^▲

Number of patients with LBP

31 (63.2%)

24 (61.5%)

7 (70%)

Spine VAS scores of patients with LBP

5.3 ± 1.6

5.8 ± 1.7