Associations between Geriatric Nutrition Risk Index, bone mineral density and body composition in type 2 diabetes patients

Table 6 Determinants of bone mineral density using multivariate forward linear regression analysis

Factors	B	SE	t value	P value	95%CI
					Lower	Upper
Lumbar spine BMD
Age	-0.002	0.001	-3.754	< 0.001	-0.003	-0.001
Height	0.003	0.001	3.669	< 0.001	0.001	0.005
Diabetes duration	-0.003	0.001	-2.665	0.008	-0.005	-0.001
Albumin	-0.004	0.001	-2.864	0.004	-0.007	-0.001
Cr	0.001	0.000	1.983	0.048	0.000	0.001
β-CTX	-0.089	0.033	-2.724	0.007	-0.153	-0.025
TP1NP	-0.001	0.000	-1.633	0.103	-0.002	0.000
ASMI	-0.040	0.016	-2.449	0.015	-0.072	-0.008
Lean mass index	0.036	0.008	4.498	< 0.001	0.020	0.051
Femoral neck BMD
Age	-0.003	0	-6.8	< 0.001	-0.003	-0.002
Height	0.003	0.001	4.672	< 0.001	0.002	0.004
Diabetes duration	-0.002	0.001	-3.617	< 0.001	-0.004	-0.001
Albumin	-0.003	0.001	-2.698	0.007	-0.005	-0.001
β-CTX	-0.100	0.018	-5.589	< 0.001	-0.135	-0.065
Android/gynoid ratio	-0.045	0.02	-2.259	0.024	-0.084	-0.006
ASMI	0.011	0.012	0.963	0.336	-0.012	0.034
Lean mass index	0.014	0.006	2.457	0.014	0.003	0.025
Total hip BMD
Age	-0.002	0.000	-5.451	< 0.001	-0.003	-0.001
Weight	0.002	0.001	3.142	0.002	0.001	0.003
Diabetes duration	-0.002	0.001	-3.327	0.001	-0.004	-0.001
β-CTX	-0.082	0.019	-4.403	< 0.001	-0.118	-0.045
Android/gynoid ratio	-0.041	0.02	-2.003	0.046	-0.081	-0.001
Lean mass index	0.020	0.003	6.266	< 0.001	0.014	0.026

95%CI: 95% confidence interval; BMD: Bone mineral density; Cr: Creatinine; β-CTX: β-collagen special sequence; TP1NP: Total type I procollagen N-terminal extension peptide; ASMI: Appendicular skeletal muscle index.