Table 2.
Preoperative radiographic limb-alignment analyses
| Preop. | Total | OWHTO | Hybrid CWHTO | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Standing | Supine | Standing | Supine | Standing | Supine | ||||
| %WBL(%) | 14.3 ± 14.2 | 23.4 ± 12.1 | P < 0.01 | 19.0 ± 12.1 | 27.6 ± 10.0 | P < 0.01 | 3.5 ± 13.0 | 13.7 ± 11.3 | P < 0.01 |
| HKAA (°) | −7.3 ± 3.4 | −5.6 ± 3.0 | P < 0.01 | −5.9 ± 2.7 | − 4.4 ± 2.3 | P < 0.01 | −10.5 ± 2.5 | − 8.5 ± 2.3 | P < 0.01 |
| JLCA (°) | 3.3 ± 1.9 | 1.9 ± 1.5 | P < 0.01 | 2.8 ± 1.8 | 1.5 ± 1.4 | P < 0.01 | 4.7 ± 1.7 | 3.0 ± 1.5 | P = 0.01 |
| FTA (°) | 182.0 ± 3.1 | 180.6 ± 2.9 | P < 0.01 | 181.2 ± 2.7 | 179.7 ± 2.6 | P < 0.01 | 182.8 ± 2.6 | 183.3 ± 3.3 | NS |
FTA femorotibial angle, JLCA joint-line carrying angle, NS not significant, %WBL weight-bearing line