2.2. Comparison of CA Plate and IA Plate
varus-aligned medial compartment osteoarthritis
A randomized controlled study was performed to compare the CA plate and IA plate. This prospective study was approved by the IRB (No. 2008-105-1149) of the authors’ institution, and written informed consent was obtained from all participants. Patients with varus-aligned medial compartment osteoarthritis were enrolled between September 2020 and December 2022, using the same exclusion criteria as for the D-hole violation simulation study. The patients were randomly assigned to either the CA plate group or the IA plate (Baro-Fix HTO plate; Orthotech, Daegu, Republic of Korea) (