Table 3 Results quantifying the autograft osseointegration within the tibial bone tunnel at 12 weeks

Bone tunnel cross-sectional areas (µm²)

 Femur and tibia at 12 weeks

2638 [1547; 3537]

1675 [1341; 2121]

0.0615

 Tibia at 12 weeks

2949 [1755; 3539]

1697 [1378; 2878]

0.2738

 Tibia (T₀ specimen)

1980

1870

–

 Femur at 12 weeks

2326 [1481; 3694]

1668 [1165; 2010]

0.1548

 Femur (T₀ specimen)

2369

2012

–

Graft-to-bone score (tibia) (/15)

7.3 [4; 7.5]

9.3 [8.5; 12]

0.0040*

 Fibrous interface width

2 [1.5; 2.3]

2.3 [2; 2.8]

0.123

 Bony ingrowth

0.5 [0; 0.9]

1 [0.5; 2.3]

0.1032

 Cellularity

1.3 [0.4; 1.8]

2 [1.9; 2.5]

0.0119*

 Giant cells

2 [1.5; 2.5]

2.5 [2.4; 2.8]

0.0595

 Vascularization

0.8 [0.3; 0.8]

1.3 [1; 2.6]

0.0159*