Table 3. Clinical Results of Osteotomy for Osteonecrosis of the Femoral Head in Published Studies.
| Study (year) | Type | No. of patients (hips) | Follow-up duration (yr) | Mean age (yr) | Success rate (%) |
|---|---|---|---|---|---|
| Jacobs et al. (1989)32) | TRO | 22 (22) | 5.3 | 35 | 73 |
| Sugioka et al. (1992)27) | TRO | 229 (295) | 3–16 | - | 78 |
| Sugano et al. (1992)31) | TRO | 40 (41) | 6.3 | 36 | 56 |
| Dean and Cabanela (1993)17) | TRO | 17 (18) | 5 | 35 | 17 |
| Miyanishi et al. (2000)29) | TRO | (125) | 13.5 | - | 78 |
| Koo et al. (2001)18) | TRO | 17 (17) | 4.5 | 30 | 100 |
| Hisatome et al. (2004)28) | TRO | 21 (25) | 6.4 | 38 | 80 |
| Rijnen et al. (2005)30) | TRO | 22 (26) | 8.7 | 31.5 | 27 |
| Ha et al. (2010)19) | TRO | 105 (113) | 4.3 | 34 | 63 |
| Sakano et al. (2004)14) | TCVO | 20 (20) | 4 | 38 | 90 |
| Ikemura et al. (2007)11) | TCVO | 36 (42) | 5.9 | 34 | 97.3 |
| Zhao et al. (2010)15) | TCVO | 62 (73) | 12.4 | 33.3 | 91.8 |
| Current study | TCVO | 58 (65) | 6.7 | 31.8 | 88.3 |
| TRO | 85 (91) | 8.2 | 33 | 80.6 |
TRO: transtrochanteric rotational osteotomy, TCVO: transtrochanteric curved varus osteotomy.