Table 4.
Results at 1-year follow up after stabilization procedures
| Arthroscopy primary anterior | Arthroscopy revision anterior | Open primary anterior | Open revision anterior | Arthroscopy primary posterior | Arthroscopy primary multidirectional | |
|---|---|---|---|---|---|---|
| (n=141a) | (n=13) | (n=10) | (n=10) | (n=25) | (n=13) | |
| Preop WOSI%, mean (SD) | 51 (19) | 48 (16) | 55 (17) | 48 (18) | 45 (15) | 42 (19) |
| 1-year WOSI%, mean (SD) | 75 (19) | 64 (18) | 80 (16) | 69 (18) | 63 (28) | 76 (19) |
| Change in WOSI%, mean (CI 95%) | 24 (20–27) | 16 (3–30) | 26 (13–38) | 21 (14–28) | 17 (8–26) | 34 (24–45) |
| p-value | p<0.001 | p=0.02 | p=0.001 | p<0.001 | p=0.001 | p<0.001 |
| Recurrent instability(n) | 14 | 0 | 0 | 0 | 4 | 0 |
| Reoperation (n) | 6 | 0 | 1 | 0 | 2 | 1 |
a n=138 for rate of recurrence and reoperation