Table 1.
Comparison of patients’ characteristics between the two groups*
| Revision, N = 12 | Primary, N = 48 | P Value | |
|---|---|---|---|
| Age, years | 41.9 ± 11.9 (23–62) | 40.23 ± 12.1 (19–64) | 0.677 |
| Sex | 1 | ||
| Male | 7 (58.3) | 28 (58.3) | |
| Female | 5 (41.7) | 20 (41.7) | |
| Height, cm | 172.6 ± 7.3 (163–183) | 170.1 ± 6.5 (157–185) | 0.326 |
| Weight, kg | 71.0 ± 12.4 (50–92) | 71.6 ± 12.3 (47–110) | 0.882 |
| BMI, kg/m2 | 23.8 ± 3.7 (17.9–31.1) | 24.6 ± 3.1 (17.9–32.9) | 0.471 |
| AA, deg | 55.8 ± 11.7 (41.8–77.1) | 56.4 ± 12.4 (35.0–80.5) | 0.922 |
| LCEA, deg | 35.5 ± 7.2 (22.7–49.5) | 35.5 ± 9.5 (21.4–58.6) | 0.876 |
| Cam-type FAIS | 8 (66.7) | 28 (58.3) | 0.598 |
| Pincer-type FAIS | 3 (25.0) | 12 (25.0) | 1 |
| Tönnis grade | 0.690 | ||
| 0 | 4 (33.3) | 19 (39.6) | |
| 1 | 8 (66.7) | 29 (60.4) | |
| Joint space, mm | 4.6 ± 1.1 (2.7–6.7) | 4.3 ± 1.1 (2.3–7.3) | 0.442 |
| Symptom duration, months | 42.0 ± 35.3 (12–120) | 37.3 ± 37.8 (6–180) | 0.626 |
| Follow-up period, months | 40.5 ± 21.7 (24–97) | 40.6 ± 17.6 (24–100) | 0.643 |
*Values are presented as mean ± standard deviation (range). BMI body mass index, AA alpha angle, LCEA lateral center–edge angle