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Table 4 Radiographic measures- LL, SDA, SL, and DH changes evaluated on pre-and postoperative X-ray

From: Comparison of radiological changes after single- position versus dual- position for lateral interbody fusion and pedicle screw fixation

CharacteristicAssessment timeDP groupSP groupp-value
LL (°)Pre27.6 ± 13.228.2 ± 10.80.800
Post (2 M)30.1 ± 12.527.5 ± 9.50.522
Pre→ 2 M change2.6 ± 6.0−0.7 ± 6.20.115
SDA (°)Pre3.0 ± 4.14.1 ± 4.80.129
Post (2 M)5.4 ± 4.06.8 ± 4.10.179
Pre→ 2 M change2.4 ± 4.32.7 ± 3.40.710
SL (mm)Pre0.9 ± 3.81.4 ± 3.70.669
Post (2 M)0.4 ± 2.90.5 ± 2.40.648
Pre→ 2 M change0.3 ± 1.80.8 ± 1.90.078
ADH (mm)Pre6.8 ± 4.09.7 ± 3.5< 0.01
Post (2 M)12.2 ± 2.513.9 ± 2.5< 0.05
Pre→ 2 M change5.8 ± 3.34.2 ± 3.50.098
PDH (mm)Pre4.8 ± 3.15.7 ± 2.00.093
Post (2 M)7.7 ± 2.38.7 ± 1.70.068
Pre→ 2 M change3.4 ± 2.12.8 ± 2.30.153
Av DH (mm)Pre5.3 ± 3.27.9 ± 2.4< 0.01
Post (2 M)10.0 ± 1.911.3 ± 1.7< 0.01
Pre→ 2 M change4.6 ± 2.43.5 ± 2.50.067
  1. All values are in mean ± standard deviation
  2. LL Lumbar lordosis, SDA Segmental Disc Angle, SL Slipping length, ADH Anterior Disc height, PDH Posterior Disc height, Av DH Average Disc height, DP dual position, SP single position
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