Table 5.

Mean values of DTD-derived metrics for menopausal status.

Metrics	Premenopausal	Postmenopausal	p-Value
Mean diffusion tensor size (E[Diso])	2.35 (0.22)	2.31 (0.23)	0.96
Variance of diffusion tensor sizes (V[Diso])	0.88 (0.3)	1.06 (0.36)	0.42
Mean diffusion tensor shape (E[D∆2])	0.25 (0.09)	0.29 (0.13)	0.71
Fractional anisotropy (FA)	0.3 (0.07)	0.33 (0.09)	0.37
Orientational order parameter (OP)	0.36 (0.18)	0.4 (0.18)	0.42
Signal fraction of bin 1 (fbin1)	0.14 (0.11)	0.20 (0.17)	0.42
Signal fraction of bin 2 (fbin2)	0.23 (0.08)	0.21 (0.06)	0.96
Signal fraction of bin 3 (fbin3)	0.63 (0.11)	0.61 (0.10)	0.87

While E[D_iso] is expressed in 10⁻³ mm²/s, V[D_iso] is expressed in 10⁻⁶ mm⁴/s². Other coefficients are unitless. Numbers in brackets are standard deviations.