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Table 2 Knee alignment parameter for indices before and after distal femoral osteotomy

From: Postoperative change in patellofemoral alignment following closing-wedge distal femoral osteotomy performed for valgus osteoarthritic knees

 PreoperativePostoperativeP value
mLDFA (°, surgery side)
 Average (SD)84.3 (2.0)89.3 (1.8)<0.001
mLDFA (°, nonsurgery side)
 Average (SD)86.0 (1.6)
mMPTA (°)
 Average (SD)86.5 (2.3)
mTFA (°)
 Average (SD)4.4 (4.7)−0.2 (4.0)< 0.001
 Range−1.0 to 14.6−8.5 to 8.0
Femoral closed distance (mm)Intraoperative
 Average (SD)5.5 (1.7)
  1. Values less than 0.05 were considered significant
  2. mLDFA mechanical lateral distal femoral angle, mMPTA mechanical medial proximal tibial angle, mTFA mechanical tibiofemoral angle, SD standard deviation