Table 1.
Patient Characteristics a
| Total (N = 308) | First-time Dislocation (n = 83) | Recurrent Dislocation (n = 225) | P Value | |
|---|---|---|---|---|
| No. of dislocations | 6.6 ± 11.1 | 1 | 8.9 ± 12.2 | |
| Single dislocation | 83 (27.0) | |||
| Recurrent dislocations | 225 (73.0) | |||
| Male | 263 (85.4) | 72 (86.7) | 191 (84.9) | .7 |
| Age at surgery, y | 27.8 ± 9.4 | 27.6 ± 11.1 | 27.9 ± 8.6 | .2 |
| Arthroscopic technique | 256 (83.1) | 66 (79.5) | 190 (84.4) | .3 |
| BMI, kg/m2 | 24.4 ± 3.4 | 24.8 ± 3.8 | 24.2 ± 3.3 | .2 |
| Right side | 186 (60.4) | 46 (55.4) | 140 (62.2) | .3 |
| Dominant side? | ||||
| Right | 274 (89.0) | 71 (85.5) | 203 (90.2) | .2 |
| Dominant side operated? | ||||
| No | 130 (42.2) | 37 (44.6) | 93 (41.3) | .6 |
| Level of sport | ||||
| Competitive | 102 (33.1) | 27 (32.5) | 75 (33.3) | .7 |
| Recreational | 181 (58.8) | 51 (61.4) | 130 (57.8) | |
| No sport | 25 (8.1) | 5 (6.0) | 20 (8.9) | |
| Type of sport | ||||
| Forced overhead | 49 (15.9) | 16 (19.3) | 33 (14.7) | .7 |
| Contact sport | 132 (42.9) | 28 (33.7) | 74 (32.9) | |
| Other | 102 (33.1) | 34 (41.0) | 98 (43.6) | |
| No sport | 25 (8.1) | 5 (6.0) | 20 (8.9) | |
| Hyperlaxity? | ||||
| Yes | 105 (34.1) | 30 (36.1) | 75 (33.3) | .6 |
| Hill-Sachs lesion? | ||||
| Yes | 218 (70.8) | 43 (51.8) | 175 (78.5) | <.0001 |
| Glenoid defect? | ||||
| Yes | 232 (75.3) | 56 (67.5) | 176 (78.9) | .04 |
| Instability Severity Index Score | 4.9 ± 2.0 | 4.4 ± 2.3 | 5.1 ± 1.8 | .03 |
| Time between first dislocation and surgery, mo | 41.3 ± 65.1 | 12.6 ± 43.8 | 51.7 ± 68.5 | |
| Time to follow-up, mo | 40.8 ± 9.9 | 43.1 ± 10.0 | 39.8 ± 9.7 | .008 |
a
Data are presented as number of patients (%) or mean ± SD. BMI, body mass index.