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Table 2 Disc height index

From: Risk factors for lumbar intervertebral disc height narrowing: a population-based longitudinal study in the elderly

Disc level

Overall

Men

Women

L1-L2

21.9 ± 3.8

21.6 ± 3.9

22.1 ± 3.8

L2-L3

24.0 ± 4.5

24.4 ± 4.6

23.7 ± 4.5

L3-L4

26.2 ± 5.5

26.5 ± 5.0

26.0 ± 5.7

L4-L5

26.9 ± 6.5

27.0 ± 6.1

26.8 ± 6.8

L5-S1

27.9 ± 8.2

27.4 ± 8.6

28.0 ± 8.0

  1. Disc height index (DHI) at baseline are presented as mean ± standard deviation (SD). There were no significant differences between men and women in the DHI of each disc level