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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Ultrasound Med Biol. 2012 Sep 10;38(12):2198–2207. doi: 10.1016/j.ultrasmedbio.2012.07.020

Table 2.

The comparison of coefficients of variation of trabecular number, BV/TV, trabecular thickness and trabecular separation (a), and the coefficients of variation of FMA in four frequency bands before demineralization (n=5) and after demineralization (n=25) (b).

Tr.N BV/TV Tr.Th Tr.Sp
0.09 (n=5) 0.30 (n=5) 0.10 (n=5) 0.13 (n=5)
0.15 (n=25) 0.44 (n=25) 0.17 (n=25) 0.24 (n=25)
(a)
PD AP ML
300 kHz to 700 kHz 0.16 (n=5) 0.15 (n=5) 0.09 (n=5)
0.29 (n=25) 0.28(n=25) 0.32 (n=25)
700 kHz to 1.1 MHz 0.15 (n=5) 0.16 (n=5) 0.07 (n=5)
0.24 (n=25) 0.23 (n=25) 0.24 (n=25)
1.1 MHz to 1.5 MHz 0.13 (n=5) 0.17 (n=5) 0.02 (n=5)
0.21 (n=25) 0.20 (n=25) 0.17 (n=25)
1.5 MHz to 1.9 MHz 0.13 (n=5) 0.13 (n=5) 0.03 (n=5)
0.20 (n=25) 0.25 (n=25) 0.20 (n=25)
(b)