Table 1.
Detailed characteristics of the study collected from the BMI groupings
| Characteristics | Total | Group 1 (BMI < 25 kg/m2) | Group 2 (BMI 25–30 kg/m2) | Group 3 (BMI > 30 kg/m2) |
|---|---|---|---|---|
| Age [years] | 54.6 ± 6.4 | 54.3 ± 7.4 | 54.8 ± 6.0 | 54.6 ± 6.5 |
| Affected side | ||||
| Left (%) | 37 (44) | 8 (44) | 17 (46) | 12 (40) |
| Right (%) | 48 (56) | 10 (56) | 20 (54) | 18 (60) |
| Sex | ||||
| Male (%) | 60 (71) | 11 (61) | 29 (78) | 22 (73) |
| Female (%) | 25 (29) | 7 (39) | 8 (22) | 8 (27) |
| mTFAa | ||||
| mTFA preOP [°] | − 4.9 ± 2.2 | − 5.3 ± 2.6 | − 4.9 ± 2.1 | − 4.7 ± 2.1 |
| mTFA surgical correction [°] | 6.9 ± 3.2 | 7.5 ± 2.8 | 6.3 ± 2.9 | 7.3 ± 3.8 |
| mTFA 6 years [°] | 0.4 ± 2.6 | 1.0 ± 2.3 | 0.0 ± 2.6 | 0.7 ± 2.7 |
All metric values are arithmetic means ± SD
mTFA mechanical tibiofemoral angle, mTFA surgical correction the difference between the preoperative mTFA and the initial postoperative mTFA
a5 patients were not followed-up radiologically at the final follow-up