Table 4 Comparison between thickness and remaining cancellous bone after BPTB autograft at mid-patella and central-ridge location
Mid-patella (mm) | Central ridge (mm) | Different (mm) | P value | |
|---|---|---|---|---|
Remaining cancellous bone (mean ± SD) | 8.3 ± 2.04 | 10.31 ± 2.23 | 1.96 | < 0.001 |
Anterior cortical bone thickness | 4.04 ± 1.01 | 4.77 ± 0.98 | 0.73 | < 0.001 |
Cancellous bone thickness | 14.26 ± 2.12 | 15.54 ± 2.09 | 1.28 | < 0.001 |
Cartilage | 1.08 ± 0.46 | 1.55 ± 0.65 | 0.47 | < 0.001 |