Table 4.

Correlation between GH and IGF-1 levels and bone biochemical markers in whole study group (n=137)

	GH		IGF-1 ULN
	r	p	r	p
ALP (U/L)	0.085	0.321	0.077	0.404
Calcium (mg/dL)	0.257	0.005	0.321	0.002
Phosphorus (mg/dL)	0.461	<0.001	0.444	<0.001
Magnesium (mg/dL)	–0.183	0.085	–0.264	0.009
PTH (pg/mL)	0.045	0.634	–0.042	0.634
25(OH)D (ng/mL)	–0.211	0.026	–0.044	0.626
CTX	0.389	<0.001	0.454	<0.001

P<0.05 statistically significant, significant p values are shown in bold. GH: Growth hormone; IGF-1 ULN: Insulin-like growth factor-1 upper limit of normal; ALP: Alkaline phosphatase; PTH: Parathyroid hormone; CTX: Cross-linked C-telopeptide of type I collage.