Normal Group N = 3

Osteopenia N = 30

Osteoporosis N = 12

p-value

Femur densitometry T − Score

Z − Score

−0.70 ± 0.10 0.40 ± 0.55

−1.88 ± 0.54 −0.44 ± 0.69

−2.517 ± 1.13 −0.95 ± 0.92

0.001 0.036

Column Densitometry T − Score

Z − Score

−1.70 ± 0.51 −0.16 ± 1.00

−2.30 ± 1.19 −0.63 ± 1.40

−2.80 ± 1.29 −0.84 ± 1.25

0.481 0.678

Frequency of Electroacoustic

4.36 ± 1.34

4.60 ± 1.11

4.96 ± 0.94