Table 3. Correlation with serum IGF-I and different bone parameters.

Compartment	Measurement	r
Trabecular	Volumetric BMD	0.06
	Trabecular thickness	0.40**
	Trabecular number	−0.22
Cortical	BMC	0.59***
	Volumetric BMD	0.53***
	Cross-sectional area	0.58***
	Thickness	0.45***
	Maximal load	0.40**
	Elastic modulus	−0.1

Correlations of all animals (n = 50) included in the study were calculated by using Pearson's correlation coefficient (r). ^**, P < 0.01; ^***, P < 0.001.