Table 3.
Comparison of all groups analyzed in this review
| Arthroscopic | Mini-open | Surgical dislocation | Arthroscopy + mini-open | Nonoperative treatment | |
|---|---|---|---|---|---|
| Number of studies | 12 | 2 | 11 | 3 | 1 |
| Number of patients | 1405 | 255 | 526 | 146 | 37 |
| Number of hips | 1448 b | 274 | 597 | 151 b | 37 |
| Level of evidence | 3.58 ± 0.72 | 3.50 ± 0.70 | 3.91 ± 0.78 | 4 ± 0.80 | 4 |
| Age (y) | 37.2 ± 12.1 | 35.3 ±1.41 | 35.4 ± 5.31 | 35.1 ± 1.93 | 33 ± 5 |
| Length of clinical follow-up (years) | 3.00 ± 0.58 | 2.26 ± 0.07 | 3.54 ± 1.05 | 3.97 ± 1.62 | 2.21 ± 1.5 |
| MCMS | 40.8 ± 9.54 | 35.5 ± 3.54 | 34.5 ± 7.55 | 35.7 ± 4.16 | 39 |
| Diagnosis | |||||
| Isolated cam FAI | 915 | 69 | 200 | 45 | 28 |
| Isolated pincer FAI | 187 | 0 | 56 | 0 | 0 |
| Mixed FAI | 346 | 49 | 341 | 6 | 37 |
| Labral injury | 1388 | nr a | 498 | 139 a | nr |
| Procedures | |||||
| Femoral cam osteochondroplasty | 1335 | 274 | 581 | 51 | n/a |
| Acetabular pincer rim trimming | 536 | nr | 221 | nr | n/a |
| Labral debridement | 1014 | 90 | 236 | 98 | n/a |
| Labral repair / refixation | 309 | 184 | 226 | 40 | n/a |
| Ligamentum teres debridement | 46 | 0 | 0 | 0 | n/a |
| Iliopsoas release | 23 | 0 | 0 | 0 | n/a |
| Microfracture (acetabulum) | 112 | 0 | 67 | 3 | n/a |
MCMS Modified Coleman Methodology Score, n/a not applicable.
a Number of patients/hips with FAI or labral injuries (nr not reported) in both studies.
b 44 % arthroscopies performed in supine position (711 hips), 56 % performed in lateral decubitus position (888 hips).