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Demographics data for both groups
| OWHTO | UKA | |
|---|---|---|
| Age | 67 ± 7 | 77 ± 4 |
| Cases | 27 knees, 24 cases | 30 knees, 18 cases |
| Sex | man: 6, woman: 18 | man: 4, woman: 14 |
| OA Grade | ||
| 2 | 11 knees | 4 knees |
| 3 | 14 | 17 |
| 4 | 2 | 8 |
| 5 | 0 | 1 |
| Follow-up period (months) | 61 ± 10 | 84 ± 4 |
OWHTO; opening wedge high tibial osteotomy, UKA; unicompartmental knee arthroplasty
OA Grade; Ahlbäck's classificationion
