Comparison of the prevalence of osteoporosis in people with spinal cord injury according to bone mineral density reference values for the diagnosis of osteoporosis: a retrospective, cross-sectional study

Table 2 BMD and T-score average according to two different BMDRV

Category		BMD Mean (SD)	TDXA Mean (SD)	TNHA Mean (SD)	p ^b
Male	Lumbar spine (N = 540)	0.945 (0.165)	-0.913 (1.454)	-0.932 (1.496)	0.4862
	Femoral neck (N = 606)	0.678 (0.143)	-1.000 (1.186)	-1.511 (1.191)	< 0.0001***
	Total hip (N = 606)	0.851 (0.157)	-0.272 (1.201)	-0.732 (1.290)	< 0.0001***
	Any site^a (N = 607)		-1.430 (1.067)	-1.785 (1.102)	< 0.0001***
Female	Lumbar spine (N = 212)	0.794 (0.139)	-1.738 (1.225)	-2.297 (1.259)	< 0.0001***
	Femoral neck (N = 247)	0.564 (0.123)	-1.762 (1.143)	-2.466 (1.029)	< 0.0001***
	Total hip (N = 247)	0.692 (0.146)	-1.515 (1.267)	-2.028 (1.202)	< 0.0001***
	Any site^a (N = 248)		-2.202 (1.117)	-2.808 (1.063)	< 0.0001***

Abbreviations: BMD Bone mineral density, BMDRV Bone mineral density reference value, DXA Dual-energy X-ray absorptiometry, NHANES National Health and Nutrition Examination Survey, N Number, SD Standard deviation, TDXA T-score provided by the DXA manufacturer, TNHA T-score provided by a single reference population of the NHANES
^aThe minimum T-score of the lumbar spine, femoral neck, and total hip
^bWilcoxon’s signed-rank test
For *, **, and ***, the mean difference is significant at the 0.05, 0.01, and 0.001 levels, respectively
Statistical significance is set at p < 0.05

ISSN: 1471-2474