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Systemic Associations in Patients with HLA-B27-Associated Uveitis
| Anterior Uveitis | Intermediate Uveitis | Posterior Uveitis | Panuveitis | Total (Patients) | |
|---|---|---|---|---|---|
| Ankylosing spondylitis | 145 | 1 | 1 | 5 | 152 |
| Crohn’s disease | 8 | 0 | 2 | 2 | 12 |
| Undifferentiated spondyloarthropathy | 47 | 1 | 0 | 3 | 51 |
| No specific systemic disease | 323 | 3 | 1 | 12 | 339 |
| Total | 523 | 5 | 4 | 22 | 554 |
