Table 1 Mean values before and mean changes after owHTO according to the wedge height; standard deviation in brackets; (*) Changes in the TT–TG distance and Insall–Salvati index only in case of ascending biplanar cut (table adapted from [30])
owHTO gap | 0 mm (mean) | 6 mm | 7 mm | 8 mm | 9 mm | 10 mm | 11 mm | 12 mm |
|---|---|---|---|---|---|---|---|---|
TT–TG* axial (mm) | 13.6 (± 2.4) | 2.1 (± 0.4) | 2.4 (± 0.4) | 2.8 (± 0.5) | 3.2 (± 0.5) | 3.6 (± 0.6) | 4.1 (± 0.7) | 4.5 (± 0.7) |
Insall–Salvati index* | 0.8 (± 0.1) | 0.0 (± 0.0) | 0.0 (± 0.0) | 0.1 (± 0.0) | 0.1 (± 0.0) | 0.1 (± 0.0) | 0.1 (± 0.0) | 0.1 (± 0.0) |
HKA (°) | 178.1 (± 2.7) | 5.2 (± 0.3) | 6.1 (± 0.4) | 7.0 (± 0.4) | 7.9 (± 0.5) | 8.8 (± 0.5) | 9.7 (± 0.6) | 10.7 (± 0.6) |