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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.