Table 2
Comparisons of preoperative, postoperative, final follow-up AI, and ΔAI of the PFO and non-PFO groups, ° Mean, (range; SD), M (Q1; Q3).
| Group | No. of hips | Preoperative AI | Postoperative AI | Final follow-up AI | ΔAI (postoperative – final follow-up) |
|---|---|---|---|---|---|
| PFO group | 31 | 37.7 (22–50; 6.4) | 20.0 (7–39; 8.2) | 13.0 (8.0; 20.0) | 5.6 (−15 – 24; 9.0) |
| Non-PFO group | 28 | 38.0 (29–51; 6.0) | 27.9 (10–42; 7.5) | 24.5 (20.3; 27.8) | 4.7 (−3 – 13; 4.6) |
| t/Z value | 0.241 | 3.851 | −4.012* | −0.492 | |
| P value | 0.810 | <0.001 | <0.001 | 0.625 |
Note: AI: acetabular index; preoperative AI, postoperative AI, and ΔAI were compared using the independent samples t-test; final follow-up AI was compared using the Mann–Whitney U test; *: Z value.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.