Table 1 International documentation and evaluation system variables used for the study
A (surgery form) | B (revision form) | C (follow-up form) |
|---|---|---|
Surgery date | Revision date | Follow-up date |
Gender | Diagnosis | Hip pain degree |
Birth date | N of previous revisions | Time walked without support |
Status of co-lateral hip | Hip flexion range | |
Acetabular superior migration* | Acetabular superior migration* | |
Acetabular medial migration* | Acetabular medial migration* | |
Brocken implant* | Continuous radiolucency around cup* | |
Stem subsidence* | Radiolucency between stem and cement* | |
Stem out of shaft* | Radiolucency between bone and cement* | |
Endosteal resorption* | Stem subsidence* | |
Progressive tilt of stem* | ||
Endosteal resorption (small cavities only, defects)* | ||
Fracture of cement (femur, stem)* |