Table 2.
Characteristics of the study population
| Overall (N = 280) |
Bouju (N = 58) |
Ladermann (N = 117) |
Mizuno (N = 68) |
Neyton (N = 37) |
|
|---|---|---|---|---|---|
| Age at surgery in years (95% CI) | 25.0 (20.8–32.6) | 24.4 (20.2–35.6) | 26.6 (21.9–33.7) | 24.0 (21.0–37.0) | 23.0 (20.0–27.0) |
| Age at follow-up in years (95% CI) | 42.0 (37.0–49.4) | 38.0 (32.5–46.0) | 44.0 (39.0–52.0) | 45.0 (40.0–54.0) | 34.0 (30.0–39.0) |
| Length of follow-up in months (95% CI) | 210.8 (199.2–225.1) | 152.4 (141.1–167.8) | 214.7 (199.7–243.4) | 243.2 (237.3–257.7) | 174.5 (123.9–196.0) |
| Gender (%) | |||||
| Male | 213 (76.1) | 40 (69.0) | 82 (70.1) | 54 (79.4) | 37 (100) |
| Female | 67 (23.9) | 18 (31.0) | 35 (29.9) | 14 (20.6) | – |
| Dominancy (%) | |||||
| Left | 30 (12.6) | 5 (16.7) | 15 (13.4) | 10 (14.7) | – |
| Right | 208 (87.4) | 53 (91.4) | 97 (86.6) | 58 (85.3) | – |
| Dominancy surgery (%) | |||||
| Operated dominant arm | 136 (57.1) | 39 (67.2) | 58 (51.8) | 39 (57.4) | – |
| No operated dominant arm | 102 (42.9) | 19 (32.8) | 54 (48.2) | 29 (42.6) | – |
| Sport pre-op (%) | |||||
| Yes | 258 (92.1) | 58 (100) | 101 (86.3) | 62 (91.2) | 37 (100) |
| No | 22 (7.8) | – | 16 (13.7) | 6 (8.8) | – |
| Hyperlaxity (%) | |||||
| Yes | 37 (15.4) | 13 (22.4) | 20 (17.5) | 4 (5.9) | – |
| No | 203 (84.6) | 45 (77.6) | 94 (82.5) | 64 (94.1) | – |
| Recurrence of instab (%) | |||||
| Yes | 7 (2.5) | 1 (1.7) | 2 (1.7) | 4 (5.9) | 0 |
| No | 273 (97.5) | 57 (98.3) | 115 (98.3) | 64 (94.1) | 37 (100) |
| OA pre-op (%) | |||||
| Yes | 16 (5.9) | 2 (3.5) | 3 (2.7) | 8 (11.8) | 3 (8.1) |
| No | 257 (94.1) | 56 (96.5) | 107 (97.3) | 60 (88.2) | 34 (91.9) |
| Grade Samilson and Prieto pre-op (%) | |||||
| > 1 | 23 (8.2) | 2 (3.5) | 10 (8.6) | 8 (11.8) | 3 (8.1) |
| 0 | 257 (91.8) | 56 (96.6) | 107 (91.5) | 60 (88.2) | 34 (91.9) |
| Glenoid bone loss (%) | |||||
| 1 | 67 (41.1) | 20 (34.5) | – | 20 (29.4) | 27 (73.0) |
| 0 | 96 (58.9) | 38 (65.5) | – | 48 (70.6) | 10 (27.0) |
| Graft healing (%) | |||||
| 1 | 26 (9.3) | 14 (24.1) | 7 (6.0) | 1 (1.5) | 4 (11.1) |
| 0 | 254 (90.7) | 44 (75.0) | 110 (94.0) | 67 (98.5) | 32 (88.9) |
| Hill–Sachs (%) | |||||
| No or small | 53 (32.5) | 29 (50.0) | – | 12 (17.6) | 12 (32.4) |
| Mild or large | 110 (67.5) | 29 (50.0) | – | 56 (83.4) | 25 (67.6) |
| Number of dislocations (%) | |||||
| ≤ 5 | 252 (90.0) | 48 (82.9) | 117 (100) | 50 (73.5) | 37 (100) |
| > 5 | 28 (10.0) | 10 (17.1) | – | 18 (26.5) | – |
| Number of subluxations (%) | |||||
| ≤ 5 | 268 (95.7) | 56 (96.6) | 117 (100) | 58 (85.3) | 37 (100) |
| > 5 | 12 (4.3) | 2 (3.4) | – | 10 (14.7) | – |
| Position of graft coracoid (%) | |||||
| Flush | 238 (85.3) | 51 (87.9) | 99 (85.3) | 53 (77.9) | 35 (94.6) |
| Medial | 8 (2.9) | – | – | 7 (10.3) | 1 (2.7) |
| Over | 33 (11.8) | 7 (12.1) | 17 (14.7) | 8 (11.8) | 1 (2.7) |
| Delta of grade Samilson and Prieto (%) | |||||
| No difference pre- and post-op (grade 0) | 194 (71.3) | 53 (91.4) | 68 (61.8) | 48 (70.6) | 25 (69.4) |
| No difference pre- and post-op (grade 1) | 8 (2.9) | 1 (1.7) | – | 4 (5.9) | 3 (8.3) |
| Variation 0 to 1 or 2 or 3 | 62 (22.9) | 3 (5.2) | 39 (35.5) | 12 (17.6) | 8 (22.2) |
| Variation 1 to 2 or 3 | 8 (2.9) | 1 (1.7) | 3 (2.7) | 4 (5.9) | – |