| Arthroplasties | |
| Hip | 41 (11) |
| Knee | 24 (6) |
| Fingers | 17 (4) |
| Shoulder | 11 (3) |
| Elbow | 8 (2) |
| Wrist | 1 (0.3) |
| |
| Arthrodeses | |
| Arthrodesis of fingers and/or thumb | 25 (6) |
| Arthrodesis of wrist | 19 (5) |
| Arthrodesis of subtalar joint | 14 (4) |
| Arthrodesis of ankle | 9 (2) |
| |
| Other surgery | |
| Synovectomies of shoulder, elbow, wrist, fingers | 65 (17) |
| Tendon transfer surgery | 62 (16) |
| Surgery of forefoot | 57 (15) |
| Removal of carpal tunnel or other nerve decompression | 13 (3) |
| Hallux valgus surgery | 11 (3) |
| Removal of rheumatoid nodules | 7 (2) |
| Minor knee surgery | 1 (0.3) |
| Missing data | 1 (0.3) |
| |
| All orthopaedic surgery | 386 (100) |