Table 1.

BMD of the patients in the first and the second DXA in the study group

Variable	First DXA	Second DXA	P. value *
	Mean (SD)	Mean (SD)
BMD L2-L4 (gr/cm 2 )	0.74 (0.15)	0.87 (0.15)	0.001
BMD Femur neck (gr/cm 2 )	0.74 (0.12)	0.84 (0.15)	0.001
Z-Score (L2-L4)	1.68 (1.14)	1.40 (0.84)	0.2

SD: Standard deviation

^* Paired Samples Test; BMD: bone mineral density; DXA: Dual-energy x-ray absorptiometry;