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Table 2 Static histomorphometric results from trans-iliac bone biopsies

From: Bone histomorphometric changes in children with rheumatic disorders on chronic glucocorticoids

  Raw results % Reference meana p valueb
Structural parameters
 Bone volume (BV/TV) (%) 20.9 ± 7.0 82.9 ± 28.9 0.06
 Trabecular number (Tb. N) (#/mm) 1.78 ± 0.4 92.8 ± 36.1 0.54
 Trabecular thickness (Tb. Th) (μm) 107 ± 21 76.0 ± 22.1 <0.01
 Trabecular separation (Tb. Sp) (μm) 505 ± 101 115.9 ± 21.3 0.04
Formation parameters
 Osteoid surface (OS/BS) (%) 16.5 ± 3.7 83.0 ± 16.2 0.01
 Osteoid volume (OV/BV) (%) 1.8 ± 0.6 88.8 ± 18.7 0.06
 Osteoid thickness (O.Th) (μm) 4.6 ± 0.6 71.9 ± 18.6 <0.01
 Osteoblast surface (Ob.S/BS) (%) 5.0 ± 2.7 62.8 ± 21.0 <0.01
  1. All data is presented as mean ± standard deviation
  2. aAverage of percentage of age-matched reference mean published previously
  3. bHistomorphometry results (structural and formation parameters) were converted to percentiles compared to published age matched normative data prior to analysis