Retrospective Study
Copyright ©The Author(s) 2021.
World J Orthop. Mar 18, 2021; 12(3): 140-151
Published online Mar 18, 2021. doi: 10.5312/wjo.v12.i3.140
Table 7 Posterior proximal tibial angle changes
PPTAPlate and screw
External fixator
P value
Mean (range)
Mean (range)

ΔPPTA (degree)-3.3 (-9 to 1)-1.7 (-11 to 4)0.14
%ΔPPTA (%)-4.1 (-11.3 to 1.3)-2.0 (-12.8 to 5.1)0.11