Skip to main content

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

 

Preoperative

Postoperative

P value

mLDFA (°, surgery side)

 Average (SD)

84.3 (2.0)

89.3 (1.8)

<0.001

 Range

79.5–86.6

87.0–94.0

 Median

84.7

89.3

mLDFA (°, nonsurgery side)

 Average (SD)

86.0 (1.6)

 Range

83.1–89.1

 Median

86.1

mMPTA (°)

 Average (SD)

86.5 (2.3)

 Range

82.0–89.5

 Median

86.9

mTFA (°)

 Average (SD)

4.4 (4.7)

−0.2 (4.0)

< 0.001

 Range

−1.0 to 14.6

−8.5 to 8.0

 Median

3.0

0

Femoral closed distance (mm)

Intraoperative

 Average (SD)

5.5 (1.7)

 Range

3.0–9.0

 Median

5.5

  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