Table 1.
Demographics and clinical data in all hips and those with surgical dislocations or hip arthroscopies
| Variable | All hips (n = 180) | Hips with surgical dislocations (n = 43) | Hips with hip arthroscopies (n = 137) | p value |
|---|---|---|---|---|
| Demographics | ||||
| Age at surgery (years)* | 38.4 (9.9) (17–59) | 34.0 (8.2) (18–49) | 39.7 (10.0) (17–59) | 0.001 |
| Sex (number of males, females) | 129, 38 | 39, 1 | 90, 37 | < 0.001 |
| BMI* | 26.9 (4.0) (18.7–39.0) | 27.1 (4.1) (18.7–37.9) | 26.9 (3.9) (19.4–39.0) | 0.78 |
| Clinical data | ||||
| Alpha angle (°)* | 65.5 (10.8) (29.9–90.0) | 69.1 (12.4) (43.5–90.0) | 64.4 (10.0) (29.9–90.0) | 0.01 |
| Center-edge angle (°)* | 33.3 (6.6) (21.0–52.5) | 34.0 (7.1) (23.0–50.0) | 33.1 (6.5) (21.0–52.5) | 0.48 |
| Beck type† | 4 (2–4) (1–5) | 4 (3–5) (1–5) | 4 (2–4) (1–5) | 0.22 |
| Tönnis grade† | 1 (0–1) (0–2) | 1 (1–1) (0–2) | 1 (0–1) (0–2) | 0.007 |
* Values are expressed as mean, with SD and range in parentheses; values are expressed as median, with quartile and range in parentheses.