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Table 1 Demographics for the three groups of the facet joint degenerations at low lumbar spine

From: Effect of facet-joint degeneration on the in vivo motion of the lower lumbar spine

  1. BMI body mass index
  2. *One hundred two segments of 34 DDD patients were divided into three groups at L3–L4, L4–L5, and L5–S1 levels according to the facet degeneration Weishaupt’s grading