mean time to clinical fracture-healing was 32.04 ± 2.58
days in ultrasound group and 40.75 ± 5.12 days in control group.
The clinical healing time in the ultrasound group were less than
that in the control group. The change of grey level in the ultrasound
group was more than that in the control group (Table 3 and Figure
1). Dorsal inclincation and shortening of the radius were similar in
two groups (p >0.05, Tables 4, 5).