Astragalus Extract Mixture HT042 Improves Bone Growth, Mass, and Microarchitecture in Prepubertal Female Rats: A Microcomputed Tomographic Study

Table 4

Cortical bone microarchitecture in the tibial diaphysis.

Parameters (unit)	Control	GH	0.2% HT042	0.6% HT042
Tt.Ar (mm^2)	3.853 ± 0.207	4.075 ± 0.204	3.888 ± 0.232	4.105 ± 0.326
Ct.Ar (mm^2)	3.391 ± 0.197	3.604 ± 0.180	3.410 ± 0.222	3.627 ± 0.306
Ma.Ar (mm^2)	0.463 ± 0.021	0.471 ± 0.032	0.478 ± 0.018	0.477 ± 0.028
Ct.Ar/Tt.Ar (%)	87.978 ± 0.564	88.440 ± 0.490	87.683 ± 0.621	88.340 ± 0.641
Ct.Th (mm)	0.412 ± 0.022	0.420 ± 0.017	0.393 ± 0.022	0.418 ± 0.024

Values are expressed as the mean ± SD.   versus control group. = 7-8 per group. Tt.Ar: total cross-sectional area; Ct.Ar: cortical bone area; Ma.Ar: medullary area; Ct.Ar/Tt.Ar: cortical area fraction; Ct.Th: cortical thickness.