Table 2 Radiographic outcome measures of the patients before the operation and in the most recent postoperative follow-up
Variable | Patients 1 | Patient 2 | Patient 3 | Patient 4 | Mean ± SD | Improvement | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Time point | Before | Follow-up | Before | Follow-up | Before | Follow-up | Before | Follow-up | Before | Follow-up | |
LCEA (°) | − 7 | 30 | 17 | 33 | 10 | 30 | − 9 | 35 | 2.8 | 32 | 29.3 |
ACEA (°) | 0 | 34 | 15 | 26 | 20 | 30 | 20 | 30 | 13.8 | 30 | 16.3 |
Tönnis angle (°) | 19 | 9 | 18 | 10 | 18 | 5 | 17 | 8 | 18 | 8 | − 10.0 |
Sphericity index (%) | 84 | 96 | 81 | 93 | 83 | 96 | 85 | 95 | 83.3 | 95 | 11.8 |
Stulberg classification | IV | II | IV | II | V | III | V | II | – | – | – |
Extrusion index (%) | 50 | 10 | 29 | 18 | 30 | 0 | 50 | 0 | 39.8 | 7 | − 32.8 |
Shenton’s line | Disrupted | Non-disrupted | Intact | Non-disrupted | Disrupted | Non-disrupted | Intact | Non-disrupted | – | – | – |