Table 3 The distribution of the mismatch angles of tibial rotation axes with different cut-off values of TT-PCL distance
Cut-off value(mm) | Akagi line | MTTT | combination | ||||
|---|---|---|---|---|---|---|---|
Inside safe zone | Outside safe zone | Inside safe zone | Outside safe zone | Inside safe zone | Outside safe zone | ||
16 | Lower(n = 36) | 17 (47.2%) | 19 (51.8%) | 30 (83.3%) | 6 (16.7%) | 112 (83.0%) | 23 (17.0%) |
Upper(n = 99) | 82 (82.8%) | 17 (17.2%) | 65 (65.7%) | 34 (34.3%) | |||
17 | Lower(n = 43) | 21(48.8%) | 22 (51.2%) | 34 (79.1%) | 9 (20.9%) | 112 (83.0%) | 23 (17.0%) |
Upper(n = 92) | 78 (84.8%) | 14 (15.2%) | 61 (66.3%) | 31 (33.7%) | |||
18 | Lower(n = 52) | 28 (53.8%) | 24 (46.2%) | 43 (82.7%) | 9 (17.3%) | 114 (84.4%) | 21 (15.6%) |
Upper(n = 83) | 71 (85.5%) | 12 (14.5%) | 52 (62.2%) | 31 (37.8%) | |||
19 | Lower(n = 72) | 44 (61.1%) | 28 (38.9%) | 60 (83.3%) | 12 (16.7%) | 115 (85.2%) | 20 (14.8%) |
Upper(n = 63) | 55 (87.3%) | 8 (12.7%) | 33 (55.6%) | 28 (44.4%) | |||
20 | Lower(n = 82) | 53 (64.6%) | 29 (35.4%) | 68 (82.9%) | 14 (17.1%) | 114 (84.4%) | 21 (15.6%) |
Upper(n = 53) | 46 (86.8%) | 7 (13.2%) | 27 (50.9%) | 26 (49.1%) | |||
21 | Lower(n = 94) | 65 (69.1%) | 29 (30.9%) | 79 (84.0%) | 15 (16%) | 113 (83.7%) | 22 (16.3%) |
Upper(n = 41) | 34 (82.9%) | 7 (17.1%) | 16 (39.0%) | 25 (61.0%) | |||
22 | Lower(n = 98) | 68 (69.4%) | 30 (30.6%) | 83 (84.7%) | 15 (15.3%) | 114 (84.4%) | 21 (15.6%) |
Upper(n = 37) | 31 (83.8%) | 6 (16.2%) | 12 (32.4%) | 25 (67.6%) | |||