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Table 4 Comparison of alignment parameters among different trochlear types

From: Do size, shape, and alignment parameters of the femoral condyle affect the trochlear groove tracking? A morphometric study based on 3D- computed tomography models in Chinese people

  Type 45° Type 60° Type 75° Type 90° p-value
KVPA,° 5.1 (0.7) 5.1 (0.9) 5.1 (0.9) 4.4 (1.0) p1* = 0.017
p2* = 0.004
p3* = 0.001
mMDFA,° 94.0 (1.2) 93.3 (2.1) 94.3 (2.0) 95.0 (1.6) p4* = 0.031
p5* = 0.008
p6* = 0.001
HKA,° 179.8 (2.3) 179.3 (2.1) 179.6 (2.5) 181.3 (2.5) p7* = 0.049
p8* = 0.001
p9* = 0.004
  1. All parameter values are reported as mean (standard deviation)
  2. KVPA knee valgus physiologic angle, mMDFA mechanical medial distal femoral angle, HKA hip-knee-ankle angle
  3. *There were significant differences when comparing type 90° with types 45° (p1, p4, p7), 60° (p2, p5, p8), and 75° (p3, p6, p9) in terms of KVPA, mMDFA, and HKA, respectively