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Table 1 Demographic data

From: Difference in the early postoperative change of the joint line convergence angle between opening wedge and closed wedge high tibial osteotomies

  OWHTO CWHTO
Number of patients (knees) 68 (85) 62 (85)
Male/female 16 (20)/52 (65) 23 (29)/39 (56)
Age (years) 64.1 ± 8.4 64.3 ± 12.5
Body mass index (kg/m2) 24.5 ± 3.2 25.3 ± 3.1
OA grade* 2/3/4 (knees) 57/27/1 13/46/26
  1. *OA grade modified from Ahlbach’s classification