Bone mineral density predictors in long-standing type 1 and type 2 diabetes mellitus

BMC Endocrine Disorders

Table 2 BMD values in diabetes patients and controls

	Type 1diabetes mellitus	Controlgroup	Type 2diabetes mellitus	Controlgroup	Type 1vs.Type 2	Type 1vs.Control	Type 2vs.Control
	mean ± SEM	mean ± SEM	mean ± SEM	mean ± SEM	p-value
BMD / Women	N = 18	N = 18	N = 19	N = 19
Lumbar BMD(g/cm2)	0.97 ± 0.02	0.97 ± 0.03	0.93 ± 0.04	0.93 ± 0.03	0.47	0.99	0.9
Lumbar T/Z-score	-0.8 ± 0.2	-0.7 ± 0.2	-1 ± 0.3	-1.1 ± 0.3	0.59	0.83	0.91
Femoral neck BMD (g/cm2)	0.74 ± 0.02	0.78 ± 0.03	0.77 ± 0.03	0.76 ± 0.03	0.52	0.29	0.98
Femoral neck T/Z-score	-1.1 ± 0.2	-0.6 ± 0.3	-0.6 ± 0.3	-0.8 ± 0.2	0.21	0.16	0.79
BMD / Men	N = 12	N = 12	N = 20	N = 20
Lumbar BMD(g/cm2)	1.09 ± 0.03	1 ± 0.05	1.08 ± 0.04	1.03 ± 0.03	0.91	0.15	0.3
Lumbar T/Z-score	-0.2 ± 0.3	-0.8 ± 0.5	-0.1 ± 0.3	-0.6 ± 0.3	0.76	0.26	0.3
Femoral neck BMD (g/cm2)	0.94 ± 0.03	0.9 ± 0.04	0.9 ± 0.04	0.92 ± 0.03	0.38	0.48	0.52
Femoral neck T/Z-score	0.1 ± 0.3	-0.2 ± 0.4	-0.3 ± 0.3	0 ± 0.2	0.38	0.55	0.42
BMD/Total	N = 30	N = 30	N = 39	N = 39
Lumbar BMD(g/cm2)	1.01 ± 0.02	0.98 ± 0.03	1.01 ± 0.03	0.98 ± 0.02	0.88	0.3	0.89
Lumbar T/Z-score	-0.6 ± 0.2	-0.8 ± 0.2	-0.6 ± 0.3	-0.8 ± 0.2	0.85	0.5	0.94
Femoral neck BMD (g/cm2)	0.82 ± 0.03	0.83 ± 0.28	0.83 ± 0.03	0.85 ± 0.02	0.79	0.81	0.79
Femoral neck T/Z-score	-0.6 ± 0.2	-0.4 ± 0.21	-0.5 ± 0.2	-0.4 ± 0.2	0.61	0.53	0.55
*Adjusted BMD (LSMEAN ± SE)**	N = 30	N = 30	N = 39	N = 39
Lumbar BMD (g/cm2)	1.04 ± 0.04	-	0.99 ± 0.03	-	0.46	-	-
Femoral neck BMD (g/cm2)	0.84 ± 0.04	-	0.82 ± 0.03	-	0.7	-	-
WHO-criteria
Low bone mass	N = 8	N = 8	N = 13	N = 17

*adjusted for age, body mass index and diabetes duration
BMD bone mineral density, LSMEAN least square mean, SE standard error, SEM standard error of the mean, WHO world health organization

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