Table 1 Radiographic measures of standing total spine.

From: Spinal sagittal alignment and trapezoidal deformity in patients with degenerative cervical spondylolisthesis

 

DCS

Control

p value

C2S

29.4 ± 4.6°

18.4 ± 3.4°

0.057

C2-C7 A

3.5 ± 3.6°

11.9 ± 2.3°

0.036

T1S

29.9 ± 2.3°

23.7 ± 1.5°

0.028

C7-S1 SVA

20.4 ± 9.0 mm

30.5 ± 5.7 mm

0.346

T1-T4 TK

14.9 ± 2.1°

9.0 ± 1.4°

0.022

T4-T12 TK

28.1 ± 3.8°

30.7 ± 2.2°

0.562

LL

42.5 ± 3.7°

39.4 ± 2.3°

0.492

SS

26.6 ± 2.1°

25.0 ± 1.3°

0.522

PT

21.7 ± 2.5°

27.7 ± 1.6°

0.047

PI

50.0 ± 2.4°

53.1 ± 1.5°

0.270

  1. DCS: degenerative cervical spondylolisthesis.
  2. C2S: C2 slope.
  3. C2-C7 A: C2-C7 lordosis angle.
  4. T1S: T1 slope.
  5. C7-S1 SVA: C7-S1 sagittal vertical axis.
  6. TK: thoracic kyphosis angle.
  7. LL: lumbar lordosis angle.
  8. SS: sacral slope.
  9. PT: pelvic tilt.
  10. PI: pelvic incidence.
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