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Table 3 Postoperative radiologic and clinical outcomes

From: The effect of patellar facet angle on patellofemoral alignment and arthritis progression in posterior-stabilized total knee arthroplasty without patellar resurfacing

 Group AGroup Bp value
Radiologic
 HKA angle (°)179.2 ± 1.6179.2 ± 1.30.870
 Insall-Salvati ratio1.1 ± 0.21.1 ± 0.10.866
 Patellar tilt angle (°)9.0 ± 6.411.9 ± 10.20.147
 Patellar displacement (mm)a0.9 ± 3.70.3 ± 3.60.511
 Progression of osteosclerosis (n)b22 (30.6%)13 (40.6%)0.371
Clinical
 KSKS83.5 ± 12.186.3 ± 11.40.304
 KSFS81.3 ± 9.782.7 ± 8.70.505
 Feller score25.1 ± 4.125.5 ± 3.40.632
 Kujala score77.2 ± 10.775.6 ± 12.20.551
 ROM (°)127.9 ± 9.9128.4 ± 9.40.844
  1. HKA hip-knee-ankle, KL Kellgren-Lawrence, KSFS Knee Society function score, KSKS Knee Society knee score, ROM range of motion
  2. a A negative value means medial displacement and a positive value means lateral displacement
  3. b Evaluated at the patellar central ridge