Table 1.
Patient characteristics and diagnostic imaging information (N = 103).
| Arthroscopy (n = 46) | Non-arthroscopy (n = 57) | P-value | ||
|---|---|---|---|---|
| Mean age in years (SD) | 33.7 (7.2) | 34.5 (8.6) | 0.59 | |
| Body Mass Index (SD) | 23.6 (3.2) | 24.9 (4.9) | 0.13 | |
| Sex | Female | 29 (63%) | 40 (70%) | 0.44 |
| Male | 17 (37%) | 17 (30%) | ||
| Trauma | Yes | 6 (13%) | 4 (7%) | 0.34 |
| No | 40 (87%) | 53 (93%) | ||
| Sport | Yes | 33 (72%) | 39 (68%) | 0.30 |
| No | 3 (7%) | 9 (16%) | ||
| Unknown | 10 (22%) | 9 (16%) | ||
| Duration of complaints |
0–6 months | 25 (54%) | 30 (53%) | 0.89 |
| 7–12 months | 8 (17%) | 12 (21%) | ||
| >12 months |
13(28%) |
15 (26%) |
||
| Diagnostic imaging | ||||
| Mean alpha angle in degrees (SD) | 52 (10.1) | 51 (9.2) | 0.68 | |
| Mean LCEA in degrees (SD) | 35 (6.8) | 36 (7.9) | 0.71 | |
| FAI morphology | Pincer | 23 (50%) | 25 (44%) | 0.44 |
| Cam | 6 (13%) | 4 (7%) | ||
| Mixed (pincer + cam) | 5 (11%) | 5 (9%) | ||
| Not present | 12 (26%) | 23 (40%) | ||
| Kellgren and Lawrence | Grade 0 | 43 (94%) | 50 (88%) | 0.51 |
| Grade 1 | 3 (7%) | 7 (12%) | ||
SD: standard deviation; LCEA: lateral centre edge angle; FAI: Femoroacetabular impingement.