Microbubble-Mediated Ultrasound Outweighs Low-Intensity Pulsed Ultrasound on Osteogenesis and Neovascularization in a Rabbit Model of Steroid-Associated Osteonecrosis

Table 2

Micro-CT, biomechanical and histomorphometric evaluations, and gene expression in the three groups.

BMD (mg/cm^2)	883.4 ± 10.28	894.5 ± 12.84	932.6 ± 6.861#
BV/TV (%)	40.30 ± 3.480	41.37 ± 4.612	41.95 ± 7.869
Tb.N (1/mm)	2.079 ±0.08272	2.213 ± 0.07245	2.352 ± 0.06980#
Tb.Th (mm)	0.1705 ± 0.01974	0.1843 ± 0.02414	0.2064 ± 0.01200
Tb.Sp (mm)	0.2672 ± 0.02893	0.2613 ± 0.02759	0.2241 ± 0.009524
Conn.D (1/ mm^3)	10.79 ± 1.634	11.29 ± 1.053	14.39 ± 2.148#

Values are mean ± SD.
p < 0.05 vs. .
#p < 0.05 vs. .
BV/TV: bone volume fraction; Tb.N: trabecular number; Tb.Th: trabecular thickness; Tb.Sp: trabecular separation; Conn.D: connective density.