Table 2.

Correlations between cortical thickness measured by radiogrammetry at the metacarpal bones and densitometry measurements at the spine and hip [13]

		R^2	p value
Cortical thickness at baseline vs. BMD spine at baseline	Entire group	0.25	<0.0001
Cortical thickness at baseline vs. BMD total hip at baseline	Entire group	0.18	<0.0001
Change in cortical thickness vs. change in BMD spine	GH-treated	0.07	0.0103
Change in cortical thickness vs. change in BMD spine	Untreated	0.09	0.0806
Change in cortical thickness vs. change in BMD total hip	GH-treated	0.13	0.0005
Change in cortical thickness vs. change in BMD total hip	Untreated	0.02	0.3824