Prevalence of Selected Musculoskeletal Conditions6
| Osteoarthritis | 20,700,000 |
| Rheumatoid arthritis | 2,100,000 |
| Gout | 2,100,000 |
| Polymyalgia rheumatica & giant cell arteritis | 560,000 |
| Spondyloarthropathy | 383,000 |
| Systemic lupus erythematosus | 239,000 |
| Juvenile rheumatoid arthritis | 40,000 |
Adapted from ref. 6.