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Table 3 Comparison of the greater TPD and lesser TPD groups in medial UKA

From: Difference between medial and lateral tibia plateau in the coronal plane: importance of preoperative evaluation for medial unicompartmental knee arthroplasty

  TPD < 5 mm (N = 34) TPD 5–10 mm (N = 46) p
Age (years) 62.6 ± 6.2 64.6 ± 5.6 0.195
BMI (Kg/m2) 24.7 ± 2.7 25.4 ± 2.0 0.181
mFTA (°) 4.9 ± 3.6 5.1 ± 4.1 0.818
Posterior tibia slope (°) 7.6 ± 3.1 8.6 ± 3.0 0.153
Polyethylene size (mm) 8.2 ± 0.3 8.5 ± 0.7 0.01
Polyethylene size distribution
 8 mm 28 27  
 9 mm 6 14  
 10 mm 0 5  
Proportion of thinnest PE (8 mm) 28/34 (82.4%) 27/46 (58.7%) 0.038
  1. Data are mean ± standard deviation (range)
  2. UKA unicompartmental knee arthroplasty, BMI body mass index, mFTA mechanical femoro-tibial angle, TPD tibia plateau difference