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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