Table 5 Numbers of mechanoreceptors per square centimeter in the graft groups, the control group and the original tendons. Staining with the anti-S100 antibody 

Anterior cruciate ligament

8.88 ± 16.27

23.69 ± 41.97

Semitendinosus autograft

4.88 ± 5.27

37.87 ± 27.90

Semitendinosus tendon*

0.24 ± 0.34

7.14 ± 11.14

Patellar tendon autograft

2.56 ± 5.24

37.03 ± 38.02

Patellar tendon allograft

1.53 ± 1.34

10.65 ± 9.32

Patellar tendon*

1.00 ± 1.78

10.74 ± 11.12