Orthopedic surgery rates (at 10 years after RA incidence) for 813 patients with incident rheumatoid arthritis (RA) in Olmsted County, Minnesota, USA, 1980–2007, by time period of RA incidence. Values are cumulative incidence (%) ± standard error at 10 years after RA incidence, except where indicated.
| Type/Site of Surgery | No. Patients with Surgery | Complete Cohort, 1980–2007 | 1980–1994 | 1995–2007 | p, Comparing 1980–94 to 1995–2007 |
|---|---|---|---|---|---|
| Total: any surgery | 189 | 24.6 ± 1.8 | 27.3 ± 2.4 | 19.5 ± 2.6 | 0.08 |
| Types | |||||
| Primary TJA | 109 | 13.6 ± 1.4 | 15.2 ± 2.0 | 10.3 ± 1.9 | 0.36 |
| Total hip arthroplasty | 30 | 3.4 ± 0.8 | 3.6 ± 1.0 | 2.3 ± 0.8 | 0.77 |
| Total knee arthroplasty | 62 | 7.4 ± 1.1 | 8.6 ± 1.5 | 5.3 ± 1.5 | 0.18 |
| Joint reconstructive | 82 | 9.3 ± 1.2 | 10.1 ± 1.6 | 8.1 ± 1.9 | 0.52 |
| Procedures | |||||
| Soft tissue procedures | 76 | 9.6 ± 1.2 | 12.1 ± 1.8 | 6.0 ± 1.4 | 0.012 |
| Revision arthroplasty | 14 | 1.2 ± 0.4 | 1.8 ± 0.7 | 0.8 ± 0.6 | 0.16 |
| Sites | |||||
| Hip | 38 | 4.4 ± 0.9 | 5.1 ± 1.2 | 2.8 ± 1.0 | 0.72 |
| Knee | 72 | 9.2 ± 1.2 | 11.0 ± 1.7 | 6.0 ± 1.5 | 0.047 |
| Wrist | 37 | 4.3 ± 0.8 | 5.3 ± 1.2 | 2.7 ± 0.8 | 0.14 |
| Shoulder | 15 | 1.9 ± 0.6 | 1.2 ± 0.6 | 2.9 ± 1.1 | 0.26 |
| Elbow | 13 | 1.4 ± 0.5 | 1.8 ± 0.7 | 0.3 ± 0.3 | 0.21 |
| Hand | 43 | 4.8 ± 0.9 | 6.3 ± 1.3 | 2.5 ± 1.2 | 0.059 |
| Ankle | 10 | 0.9 ± 0.4 | 0.9 ± 0.5 | 1.0 ± 0.6 | 0.98 |
| Feet | 50 | 5.4 ± 1.0 | 5.6 ± 1.3 | 5.3 ± 2.2 | 0.99 |
| Cervical spine | 8 | 0.5 ± 0.3 | 0.6 ± 0.4 | 0.4 ± 0.4 | 0.74 |
TJA: total joint arthroplasty.