Prescreening for osteoporosis with forearm bone densitometry in health examination population

Table 2 Precision of Measurement--AKDX and Hologic (n = 30)

		BMD Mean Value±SD	p-value	RMS-SD (g/cm²)	Precision (CV%)
Low	AKDX	0.300 ± 0.001	< 0.01	0.033	0.40
Low	Hologic	0.432 ± 0.003	< 0.01	0.002	0.50
Medium	AKDX	0.492 ± 0.002	< 0.01	0.003	0.20
Medium	Hologic	0.671 ± 0.006	< 0.01	0.006	0.85
High	AKDX	0.582 ± 0.002	< 0.01	0.003	0.19
High	Hologic	0.886 ± 0.007	< 0.01	0.007	0.82
Healthy volunteers	AKDX	0.402 ± 0.044	< 0.01	0.019	1.65
Healthy volunteers	Hologic	0.633 ± 0.072	< 0.01	0.009	1.48

Low, Medium, and High densities gradient phantom, SD standard deviation, RMS-SD root mean square standard deviation, % CV percent coefficient of variation

ISSN: 1471-2474