A Study of Bone Mineral Density and Its Determinants in Type 1 Diabetes Mellitus

Table 8

Linear regression of parameters with BMD (lumbar spine) 𝑧 score ( 𝑅²=0.669; 𝑃<0.01).

	𝛽 intercept; (standardised coefficient)	P value
Height	0.094	0.48
Weight	0.003	0.98
Fat%	0.058	0.53
Physical activity	0.215	<0.01
Age of onset of diabetes	0.16	0.09
Duration of diabetes	−0.046	0.56
HbA1c	−0.451	<0.01
Insulin dose	0.20	0.07
Calcium intake	0.05	0.53
25(OH) vitamin D3	−0.003	0.964
Alkaline phosphatase	−0.19	0.09
PTH	−0.026	0.71
IGF-1	0.31	<0.01
Testosterone	0.14	0.12
SHBG	0.11	0.24