Table 3. Correlations between biochemical parameters and bone histomorphometry.

	BFR/BS	OV/BV	ES/BS	TB.N	TB.SP	BV/TV
Age		-0.39**		-0.28*	0.26*
Glucose		-0.27*		-0.33**	0.30*
Insulin			-0.29*
LDL	0.41**		0.34**	0.28**	-0.26*
HDL			0.31*		0.28*	-0.37**
Phosphorus	0.30*			0.30*	-0.29*	0.28*
iPTH	0.48**	0.47**	0.46**
c-FGF23	0.36*			0.29*	-0.29*	0.31*
OC	0.52**	0.48**	0.57**
Scl	-0.34**	-0.48**	-0.33**

Spearman correlation coefficient (r²) *p<0.05, **p<0.01. BFR/BS: bone formation rate; BV/TV: trabecular bone volume; OV/BV: osteoid volume; ES/BS: eroded surface; Tb.N: trabecular number; Tb.Sp: trabecular separation; LDL: low-density lipoprotein; HDL: high-density lipoprotein; iPTH: intact parathyroid hormone; c-FGF23: C-terminal fibroblast growth factor 23; OC: osteocalcin; Scl: sclerostin.