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Table 1 BMD and Z scores in AIS patients

From: Relationship between bone density and bone metabolism in adolescent idiopathic scoliosis

Lumbar spine BMD (g/cm2) 0.9 +/−0.1
Lumbar spine Z scores (±SD) −1.2 +/−1.1
Right femoral neck BMD (g/cm2) 0.8 +/−0.1
Right femoral neck Z score (±SD) −0.8 +/−0.9
Right proximal femur BMD (g/cm2) 0.8 +/−0.1
Right proximal femur Z score (±SD) −0.8 +/−0.9
Left femoral neck BMD (g/cm2) 0.7 +/−0.1
Left femoral neck Z score (±SD) −0.8 +/−0.9
Left proximal femur BMD (g/cm2) 0.8 +/−0.1
Left proximal femur Z score (±SD) −0.9 +/−0.8
The lowest femur Z score (±SD) −1.2 +/−0.9
  1. BMD = bone mineral density.
  2. Z score = difference from normal mean expressed as standard deviation.
  3. AIS = adolescent idiopathic scoliosis.