Skip to main content

Table 2 Comparison of immediate postoperative data between PJK group and non-PJK group

From: Proximal junctional kyphosis is a compensation for post-operative negative C2-FH in ASD patients: a cross-sectional study

Parameters

Non-PJK group (n = 44)

PJK group (n = 24)

p value

C2-FH (mm)

− 36.64 ± 24.03

− 72.88 ± 29.38

0.015***

TK (°)

24.77 ± 11.09

18.35 ± 7.49

0.226

CL (°)

18.55 ± 13.04

13.55 ± 10.34

0.432

L L(°)

42.62 ± 11.44

32.63 ± 12.58

0.117

SVA (mm)

0.76 ± 16.48

− 10.95 ± 29.01

0.300

TPA (°)

13.45 ± 4.88

20.77 ± 3.77

0.006***

PI (°)

50.07 ± 8.15

48.22 ± 10.45

0.690

PT (°)

19.91 ± 5.18

28.3 ± 4.95

0.006***

SS (°)

30.16 ± 9.6

19.92 ± 12.25

0.075

PJA (°)

3.1 ± 7.96

5.62 ± 3.49

0.500

  1. C2-FH the distance between C2 vertical line to the femoral heads, CL cervical lordosis, TK thoracic kyphosis, LL lumbar lordosis, PT pelvic tilt, PI pelvic incidence, SS sacral slope, SVA sagittal vertical axis, TPA T1-Pelvic angle, PJA proximal junctional angle, *** p<0.05