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Table 2 Absolute and relative thickness of LF in the LDH, SLSS and DLSS groups

From: The expression of P16 and S100 associated with elastin degradation and fibrosis of the Ligamentum Flavum hypertrophy

 

LDH

SLSS

DLSS

F

p

LF thickness

Absolute

(mm) ± SD

2.886 ± 0.592

4.924 ± 0.843

5.658 ± 0.793

73.270

< 0.01

Relative

(%) ± SD

21.330 ± 5.532

36.520 ± 8.686

43.107 ± 7.996

44.024

< 0.01

  1. LF ligamentum flavum, LDH lumbar disc herniation, DLSS double-segment lumbar spinal stenosis, SLSS single-segment lumbar spinal stenosis
  2. Relative thickness formula: (LF thickness/lumbar spinal canal oblique diameter) × 100; Means in percents ± standard deviations