Table 2.
Distribution of invasive orthopedic interventions reported by the study participants over the study period.
| Arthrodesis | Arthroplasty | All synovectomies | Other invasive interventions | Total | Synovectomies by subtypes
|
|||
|---|---|---|---|---|---|---|---|---|
| Arthroscopic synovectomy | Radioisotopic synovectomy | Open synovectomy | ||||||
| Hip | 3 | 124 | 3 | 39 | 169 | 2 | 0 | 1 |
| Procedure percentage | 1.8 | 73.4 | 1.8 | 23.1 | 66.7 | 0.0 | 33.3 | |
| Joint percentage | 1.7 | 18.5 | 0.3 | 7 | 0.4 | 0.0 | 0.4 | |
| Knee | 38 | 473 | 454 | 207 | 1172 | 237 | 108 | 109 |
| Procedure percentage | 3.2 | 40.4 | 38.7 | 17.7 | 52.2 | 23.8 | 24.0 | |
| Joint percentage | 21.5 | 70.7 | 38.5 | 37.2 | 42.3 | 29.3 | 43.3 | |
| Ankle | 126 | 20 | 355 | 157 | 658 | 186 | 110 | 59 |
| Procedure percentage | 19.1 | 3.0 | 54.0 | 23.9 | 52.4 | 31.0 | 16.6 | |
| Joint percentage | 71.2 | 3.0 | 30.1 | 28.2 | 33.2 | 29.9 | 23.4 | |
| Shoulder | 2 | 17 | 25 | 42 | 86 | 13 | 6 | 6 |
| Procedure percentage | 2.3 | 19.8 | 29.1 | 48.8 | 52.0 | 24.0 | 24.0 | |
| Joint percentage | 1.1 | 2.5 | 2.1 | 7.6 | 2.3 | 1.6 | 2.4 | |
| Elbow | 8 | 35 | 343 | 111 | 497 | 122 | 144 | 77 |
| Procedure percentage | 1.6 | 7.0 | 69.0 | 22.3 | 35.6 | 42.0 | 22.4 | |
| Joint percentage | 4.5 | 5.2 | 29.1 | 20.0 | 21.8 | 39.1 | 30.6 | |
| Total | 177 | 669 | 1180 | 556 | 2582 | 560 | 368 | 252 |
Row percentage, proportion of specific invasive orthopedic intervention (IOI) per joint; Column percentage, proportion of a joint relative to the IOI. Other, represents a non-specific group of invasive orthopedic interventions that could not be categorized as arthrodesis, arthroplasty or synovectomy.