Table 4 Results and comparison of elastic modulus (MPa) of vertebral bone and femur between two groups

Elastic modulus (MPa) of vertebral body

1 week

6.60 ± 0.77

5.78 ± 2.85

0.769

4 weeks

9.88 ± 4.92

10.04 ± 1.86

0.954

8 weeks

10.17 ± 1.97

10.06 ± 1.62

0.968

12 weeks

11.11 ± 7.17

13.19 ± 3.52

0.454

16 weeks

12.12 ± 5.59

12.78 ± 3.60

0.812

P

0.557

0.015

Elastic modulus (MPa) of femur

1 week

5.22 ± 0.89

8.47 ± 1.25

0.286

4 weeks

14.72 ± 1.75

17.00 ± 6.04

0.416

8 weeks

12.72 ± 1.79

14.72 ± 3.44

0.473

12 weeks

14.93 ± 1.94

16.79 ± 2.22

0.507

16 weeks

16.39 ± 4.52

19.30 ± 7.87

0.301

P

<0.001

0.116