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Table 1 Pre-operative characteristics

From: Salvage of severe knee osteoarthritis: efficacy of tibial condylar valgus osteotomy versus open wedge high tibial osteotomy

  TCVO group HTO group STCVO group SHTO group
Cases (male/female) 22(10/12) 24(12/12) 9(3/6) 10(4/6)
Knees (male/female) 34(16/18) 29(14/15) 15(6/9) 12(5/7)
Age (years) 56 (40–74) 59 (43–75) 57 (45–68) 61 (51–71)
BMI (kg/m2) 26.0 (21.1–28.5) 25.4 (23.5–27.6) 27.1 (22.2–28.2) 26.1 (24.2–27.3)
K-L grade(II,III,IV) 3, 19, 12 12, 10, 7 a 0, 6, 9 1, 4, 7
Follow-up months 35 (27–42) 33 (27-65) 34 (29–41) 34 (28–39)
  1. BMI Body mass index, STCVO group/SHTO group the knee with pre-operative femorotibial angle (FTA) ≥ 185°, K-L Kellgren–Lawrence
  2. aP < 0.05 compared to that before TCVO