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Table 3 Spearman rank order correlation between bone mineral density and speed of sound at various measurement sites.

From: Discordant effect of body mass index on bone mineral density and speed of sound

Pair of variables Overweight Lean
  n R P value n R P value
RAD & Femoral neck 21 0.15 NS 11 0.57 <0.05
RAD & Lumbar spine 21 0.32 NS 11 0.53 <0.05
TIB & Femoral neck 22 0.31 NS 9 0.07 NS
TIB & Lumbar spine 22 0.40 NS 9 -0.23 NS
PLX & Femoral neck 18 0.35 NS 11 0.39 <0.05
PLX & Lumbar spine 18 0.58 <0.05 11 0.77 <0.001
  1. RAD = radius, TIB = tibia, PLX = phalanx