Skip to main content

Table 1 Baseline radiographic parameters of the subjects

From: The effect of knee joint rotation in the sagittal and axial plane on the measurement accuracy of coronal alignment of the lower limb

Baseline radiographic parameter value*
mTFA (°)
 On FLWAP radiograph 1.2 ± 3.9
 On EOS image 2.1 ± 4.1
ΔmTFA (°) 1.7 ± 2.0
Sagittal plane rotation (Knee flex/ext. Angle, °)
 Overall cohort (N = 180) 5.3 ± 5.3
 Knee flexion group (N = 109) 6.0 ± 6.3
 Knee extension group (N = 71) −4.4 ± 3.2
Axial plane rotation (Patellar rotation, %)
 Overall cohort (N = 180) 4.6 ± 4.0
 Knee internal rotation group (N = 90) 4.1 ± 3.5
 Knee external rotation group (N = 90) −5.1 ± 4.4
  1. *The values are given as means and standard deviations
  2. †The values are analyzed and presented based on absolute value
  3. mTFA mechanical tibio-femoral angle; FLWAP full-length weight-bearing anteroposterior; ΔmTFA absolute value of delta mechanical tibio-femoral angle; flex/ext. Flexion/Extension