Table 2.

Comparison of radius and tibia trabecular bone microarchitectural outcomes in normal-weight versus obese late-adolescent females

	Normal-weight (n = 12)	Obese (n = 12)	Pa	% diff.b
Radius (distal metaphysis)
appBV/TV	0.409 ± 0.014	0.388 ± 0.015	0.002	−5.3
appTb.N (1/mm)	1.551 ± 0.064	1.551 ± 0.033	0.983	0.0
appTb.Th (mm)	0.264 ± 0.017	0.250 ± 0.012	0.030	−5.4
appTb.Sp (mm)	0.382 ± 0.013	0.395 ± 0.012	0.016	3.3
Tibia (proximal metaphysis)
appBV/TV	0.368 ± 0.022	0.358 ± 0.018	0.212	−2.8
appTb.N (1/mm)	1.601 ± 0.040	1.627 ± 0.030	0.089	1.6
appTb.Th (mm)	0.230 ± 0.011	0.220 ± 0.010	0.027	−4.4
appTb.Sp (mm)	0.396 ± 0.021	0.395 ± 0.016	0.984	−0.3

Values are presented as mean ± SD

% diff., percent difference; appBV/TV, apparent bone volume-to-total volume ratio; appTb.N, apparent trabecular number; appTb.Th, apparent trabecular thickness; appTb.Sp, apparent trabecular separation

^aTest of between-group significance based on independent samples t test

^b% diff. = [NW – OB/(NW + OB)/2 × 100]