Table 3 Gap differences after initial bone cutting and final balancing
Variable | Initial bone cutting | Final balancing | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Non-severe (n = 76) | Severe (n = 30) | p-value | Total | Non-severe (n = 76) | Severe (n = 30) | p-value | ||||
M-L gap differences in extension, n (%) | 0.004 | 0.685 | |||||||||
≤ 1 mm | 67 (63.2) | 54 (71.1) | 13 (43.3) | 98 (92.5) | 71 (93.4) | 27 (90.0) | |||||
1–2 mm | 20 (18.9) | 14 (18.4) | 6 (20.0) | 8 (7.5) | 5 (6.6) | 3 (10.0) | |||||
> 2 mm | 19 (17.9) | 8 (10.5) | 11 (36.7) | 0 (0) | 0 (0) | 0 (0) | |||||
M-L gap differences in flexion, n (%) | 0.686 | 0.401 | |||||||||
≤ 1 mm | 56 (52.8) | 42 (53.3) | 14 (46.6) | 99 (93.4) | 72 (94.7) | 27 (90.0) | |||||
1–2 mm | 23 (21.7) | 15 (19.7) | 8 (26.7) | 7 (6.6) | 4 (5.3) | 3 (10.0) | |||||
> 2 mm | 27 (25.5) | 19 (25.0) | 8 (26.7) | 0 (0) | 0 (0) | 0 (0) | |||||
F-E gap differences, n (%) | 0.194 | 0.035 | |||||||||
≤ 1 mm | 61 (57.5) | 45 (59.2) | 16 (53.3) | 81 (76.4) | 63 (82.9) | 18 (60.0) | |||||
1–2 mm | 21 (19.8) | 17 (22.4) | 4 (13.3) | 21 (19.8) | 12 (15.8) | 9 (30.0) | |||||
> 2 mm | 24 (22.7) | 14 (18.4) | 10 (33.4) | 4 (3.8) | 1 (1.3) | 3 (10.0) | |||||
Overall balance, n (%) | 45 (42.5) | 38 (50.0) | 7 (23.3) | 0.016 | 93 (87.7) | 70 (92.1) | 23 (76.7) | 0.046 | |||