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Table 6 The change of Lumbar sagittal alignment

From: May the midline lumbar interbody fusion (MIDLIF) prevent the early radiographic adjacent segment degeneration? A minimum 3-year follow-up comparative study of MIDLIF in L4/5 with cortical bone trajectory screw versus traditional pedicle screw fixation

Variable

PS Group

CBT Group

p Value

mean ± SD

mean ± SD

1 month FU LL (°)

2.22 ± 4.22

0.17 ± 5.02

0.03

1 month FU SS (°)

3.15 ± 7.42

4.36 ± 5.54

0.23

1 month FU COBB 1 (°)

4.80 ± 3.20

2.21 ± 1.34

0.00

1 month FU COBB 2 (°)

6.31 ± 4.47

1.84 ± 1.28

0.00

1 month FU H 2 / H 1

0.34 ± 0.97

0.56 ± 0.47

0.06

Last FU LL (°)

8.42 ± 8.02

3.16 ± 7.20

0.00

Last FU SS (°)

6.38 ± 8.58

3.38 ± 5.69

0.00

Last FU COBB 1 (°)

5.20 ± 3.27

1.69 ± 1.79

0.00

Last FU COBB 2 (°)

6.85 ± 4.58

1.66 ± 1.11

0.00

Last FU H 2 / H 1

0.79 ± 0.71

0.69 ± 0.98

0.50

  1. Cobb 1: the Cobb angle of intervertebral space among L4-5; Cobb 2: L4-5 Cobb; H1: height of posterior edges of intervertebral space among L4-5; H2: height of anterior edges of intervertebral space among L4-5.