Table 3.

Reproducibility of bone structure measurements: coefficients of variation (CV) of bone parameters measurements on 4 healthy controls based on 2 repeated scans; mean, standard deviation (SD) and standard error of mean (S.E.M.) are also reported.

	FEMUR				LATERAL FEMORAL CONDYLE				MEDIALFEMORAL CONDYL
	BV/TV	Tb.N	Tb.Sp	Tb.Th	BV/TV	Tb.N	Tb.Sp	Tb.Th	BV/TV	Tb.N	Tb.Sp	Tb.Th
MEAN	0.483	1.323	0.393	0.367	0.487	1.544	0.333	0.318	0.503	1.385	0.361	0.367
SEM	0.008	0.056	0.014	0.020	0.010	0.046	0.016	0.007	0.008	0.052	0.014	0.015
SD	0.015	0.113	0.028	0.039	0.019	0.093	0.033	0.013	0.016	0.104	0.028	0.031
CV	0.031	0.019	0.041	0.024	0.042	0.026	0.055	0.036	0.024	0.032	0.048	0.032
	TIBIA				LATERAL TIBIA				MEDIAL TIBIA
	BV/TV	Tb.N	Tb.Sp	Tb.Th	BV/TV	Tb.N	Tb.Sp	Tb.Th	BV/TV	Tb.N	Tb.Sp	Tb.Th
MEAN	0.454	1.401	0.393	0.325	0.433	1.502	0.392	0.308	0.482	1.428	0.363	0.341
SEM	0.010	0.064	0.022	0.014	0.029	0.076	0.047	0.014	0.034	0.054	0.021	0.034
SD	0.019	0.128	0.044	0.029	0.057	0.152	0.093	0.028	0.068	0.108	0.041	0.068
CV	0.037	0.021	0.053	0.016	0.034	0.037	0.043	0.023	0.037	0.018	0.042	0.041

NOTE: All trabecular bone parameters are “apparent” parameters – app. BV/TV, app. Tb.N, app. Tb.S, app. Tb.Th.