Table 4.
Detailed demographic and surgery-related data of the patient series
| Patient number | Disorder | Age (years) | Open femoral head physis | Sex | Previous surgery | Type and maximum width of resection | Concomitant surgery* | Subsequent surgery | Stulberg classification [23] at most recent followup | Final head morphology |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LCPD | 7 | Yes | Woman | None | Rectangular (8 mm) | None | PAO†; valgus-derotational IO†; hardware removal | III | Not spherical; contained |
| 2 | LCPD | 7 | Yes | Man | None | Trapezoidal (14 mm) | None | Triple† resection of heterotopic ossification with hardware removal | IV | Flat; contained |
| 3 | LCPD | 8 | Yes | Man | None | Triangular (10 mm) | Triple†; anterior offset | Hardware removal | III | Not spherical; contained |
| 4 | LCPD | 9 | Yes | Man | None | Rectangular (8 mm) | Anterior offset | Triple† | II | Spherical; contained |
| 5 | LCPD | 9 | Yes | Woman | None | Rectangular (10 mm) | Triple† | Hardware removal | II | Spherical; contained |
| 6 | LCPD | 10 | Yes | Man | None | Rectangular (12 mm) | None | Triple with valgus IO† | NA‡ | Spherical; contained |
| 7 | LCPD | 11 | Yes | Man | None | Rectangular (8 mm) | None | None | III | Not Spherical; contained |
| 8 | LCPD | 14 | No | Man | Varus IO | Rectangular (15 mm) | PAO†; anterior offset | None | III | Not Spherical; contained |
| 9 | LCPD | 18 | No | Man | None | Rectangular (10 mm) | Acetabular rim trimming | Varus IO†; hardware removal | II | Spherical; contained |
| 10 | LCPD | 22 | No | Woman | None | Rectangular (20 mm) | PAO†; anterior offset | None | II | Spherical; contained |
| 11 | DDH | 23 | No | Woman | None | Rectangular (10 mm) | Colonna procedure† | None | II | Spherical; contained |
* Other than femoral head reduction osteotomy and relative femoral neck lengthening, which was performed in all 11 hips; †surgery to improve femoral head containment; ‡open physis at most recent followup; LCPD = Legg-Calvé-Perthes disease; DDH = developmental dysplasia of the hip; PAO = periacetabular osteotomy; IO = intertrochanteric osteotomy; NA = not applicable.