From: Ability of an intentionally smaller anterior than posterior gap to reduce the sagittal tibial slope in opening wedge high tibial osteotomy
CT
Calculation
(C)-(D)
Mean (C)
SD
Mean (D)
P-value
Anterior gap
10.84
3.48
8.53
2.77
2.30
<0.001
Posterior gap
11.18
3.50
12.19
3.97
−1.02
0.033
Δ gap (ant-post gap)
0.34
2.10
3.66
1.19
−3.32