From: Relationship between the bony correction angle and mechanical axis change and their differences between closed and open wedge high tibial osteotomy
CWHTO
OWHTO
Number of patients (knees)
43 (50)
46 (50)
 Male
15 (17)
14 (16)
 Female
28 (33)
32 (34)
Age (years)
63.9 ± 22.9
64.5 ± 21.5
Body mass index (kg/m2)
25.4 ± 10.1
24.6 ± 6.2
OA gradea 2/3/4 (knees)
7/25/19
33/11/6