Table 5 Comparisons of the sagittal spine-pelvis-lower extremity alignment parameters in subjects with or without LBP

SVA

8.1 (12.5–1.3)

-1(3.5–6.1)

 < 0.05

GT

32 (35–24)

20(25–14)

 < 0.05

T1PA

26 (28–17)

19 (21–12)

 < 0.05

PT

33 (37–24)

19(25–13)

 < 0.05

PI

61 (68–56)

42(53.8–34)

 < 0.05

LL

39 (47.5–36)

49(58–40)

 < 0.05

PI-LL

21 (27–13)

-2.5(5–14)

 < 0.05

HKA

3 (13–1)

1(2–0)

 < 0.05

KFA

4 (10.5–1)

2(3–1)

 < 0.05

LDFA

90 (98–87)

87(89–85)

 < 0.05

MPTA

85 (87.5–76.5)

87(89–86)

 < 0.05