Radiographic parameters | No. (HHS) | P Value†| No. (iHOT12) | P Value†| ||
---|---|---|---|---|---|---|
Preserved (n = 40 hips) | Symptomatic (n = 26 hips) | Preserved (n = 46 hips) | Symptomatic (n = 20 hips) | |||
Preoperative radiographic parameters | Â | Â | Â | Â | Â | Â |
Acetabular coverage ratio < 75% | 40 (100%) | 23 (88%) | 0.111 | 46 (100%) | 17(85%) | 0.025 |
Sharp angle > 40° | 39 (98%) | 25 (96%) | 1.000 | 44 (96%) | 20 (100%) | 1.000 |
LCEA | Â | Â | 0.108 | Â | Â | 0.128 |
 < 5° | 15 (38%) | 5 (19%) |  | 16 (35%) | 4 (20%) |  |
5°–20° | 21 (53%) | 14 (54%) |  | 25 (54%) | 10 (50%) |  |
 > 20° | 4 (10%) | 7 (27%) |  | 5 (11%) | 6 (30%) |  |
Tönnis angle > 10° | 39 (98%) | 25 (96%) | 1.000 | 45 (98%) | 19 (95%) | 0.517 |
Joint congruency poor or fair | 11 (28%) | 18 (69%) | 0.001 | 13 (28%) | 16 (80%) | 0.000 |
Postoperative radiographic parameters | Â | Â | Â | Â | Â | Â |
Acetabular coverage ratio > 75% | 40 (100%) | 26 (100%) | 1.000 | 46 (100%) | 20 (100%) | 1.000 |
Sharp angle < 40° | 36 (90%) | 25 (96%) | 0.655 | 42 (91%) | 19 (95%) | 0.988 |
LCEA | Â | Â | 0.000 | Â | Â | 0.001 |
 < 20° | 0 | 1 (4%) |  | 1 (2%) | 0 |  |
20°–38° | 27 (68%) | 5 (19%) |  | 29 (63%) | 3 (15%) |  |
 > 38° | 13 (33%) | 20 (77%) |  | 16 (35%) | 17 (85%) |  |
Tönnis angle |  |  | 0.012 |  |  | 0.011 |
0°–10° | 25 (63%) | 13 (50%) |  | 30 (65%) | 8 (40%) |  |
− 10°–0° | 14 (35%) | 6 (23%) |  | 14 (30%) | 6 (30%) |  |
 < − 10° | 1 (3%) | 7 (27%) |  | 2 (4%) | 6 (30%) |  |
Joint congruency poor or fair | 7 (18%) | 8 (31%) | 0.209 | 9 (20%) | 6 (30%) | 0.542 |