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Table 3 The lateral tilt, medial tilt and sulcus angles of the femoral trochlea calculated based on 45° cross-sections of three-dimensional models of native and prosthetic knees (n = 42)

From: Differences between native and prosthetic knees in terms of cross-sectional morphology of the femoral trochlea: a study based on three-dimensional models and virtual total knee arthroplasty

45° cross-section

 

Lateral tilt angle (°)

Medial tilt angle (°)

Sulcus angle (°)

MP

15.5

6.8

157.7

Triathlon

15.4

14.3

150.3

NRG

15.5

15.6

148.9

NexGen

14.8

15.4

149.8

Native knee

18.5 (2.6)

20.8 (2.8)

140.7 (4.4)

  1. All parameters are reported as mean or mean (standard deviation)
  2. Significant differences (p < 0.05) between the native and prosthetic knees were noted for all angles evaluated