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Table 2 Comparison of the two groups based on LL, PT, and SS

From: Correlations between the feature of sagittal spinopelvic alignment and facet joint degeneration: a retrospective study

  Group A Group B P-value
LL (°)
 L2/3 43.4 ± 14.6 42.1 ± 16.5 0.734
 L3/4 43.0 ± 15.5 43.7 ± 13.8 0.923
 L4/5 43.2 ± 13.9 43.4 ± 16.0 0.931
 L5/S1 41.6 ± 14.0 45.0 ± 15.4 0.171
PI (°)
 L2/3 48.1 ± 11.2 52.7 ± 14.4 0.155
 L3/4 47.6 ± 11.5 52.6 ± 11.7 0.042a
 L4/5 45.9 ± 9.9 53.0 ± 12.8 0.000a
 L5/S1 43.5 ± 10.4 53.9 ± 10.5 0.000a
PT (°)
 L2/3 15.7 ± 10.6 22.0 ± 12.1 0.034a
 L3/4 15.1 ± 10.6 21.4 ± 11.2 0.006a
 L4/5 13.5 ± 9.3 21.0 ± 11.8 0.000a
 L5/S1 12.1 ± 9.4 20.8 ± 10.7 0.000a
SS (°)
 L2/3 32.4 ± 10.4 30.7 ± 12.9 0.538
 L3/4 32.5 ± 11.0 31.2 ± 9.1 0.574
 L4/5 32.4 ± 10.4 32.0 ± 10.1 0.862
 L5/S1 31.4 ± 10.7 33.1 ± 10.6 0.346
  1. Group A mild degeneration group, grade 0–1, Group B severe degeneration group, grade 2–3, LL lumbar lordosis, PT pelvic tilt, SS sacral slope
  2. aMeans significant difference