Table 6 Comparison of the IHC scores for IGF-1

control

1.50 ± 0.12

1.30 ± 0.12

1.16 ± 0.21

6.00

0.016

treatment

2.20 ± 0.45^*

2.12 ± 0.33^*

2.10 ± 0.20^*

0.118

0.890

Normal control

2.64 ± 0.30^*

2.66 ± 0.28^*

2.52 ± 0.24^*

0.377

0.694

F value

15.840

34.312

51.957

P value

<0.001

<0.001

<0.001