| | Features | Retinal vasculitis (N = 4) | No retinal vasculitis (N’ = 12) |
| | Age in years, median (IQR) | 33 (23.8–49) | 45 (40–60) | | Female gender, n (%) | 3 (75) | 7 (58.3) | | Uveitis duration, median (IQR) | 36 (27–126) | 12 (6–34) | | Uveitis laterality unilateral, n (%) | 4 (100) | 5 (41.7) |
| | Uveitis type | | Posterior uveitis, n (%) | 1 (25) | — | | Panuveitis, n (%) | 3 (75) | 1 (8.3) |
| | Past treatment history | | Treatment refractory, n’ (n) | 1 (4) | 3 (20) | | Treatment naïve, n’ (n) | 2 (4) | 3 (10) | | Treatment responsive, n’ (n) | 1 (4) | 3 (40) |
| | Symptoms | | Pain, n (%) | 2 (50) | 10 (83.3) | | Redness, n (%) | 1 (25) | 11 (91.7) | | Epiphora, n (%) | - | 4 (33.3) | | Photophobia, n (%) | — | 7 (58.3) | | Blurring of vision, n (%) | 4 (100) | 2 (16.7) | | Black spots, n (%) | 1 (25) | — |
| | Examination findings | | Synechiae, n (%) | — | 5 (41.7) | | Cataract, n (%) | 1 (25) | 2 (16.7) | | Cystoid macular oedema, n (%) | 1 (25) | 1 (6.3) | | Optic disc oedema, n (%) | 2 (50) | 1 (6.3) | | Vitreous hemorrhages, n (%) | — | — | | Optic neuritis, n (%) | 1 (25) | — |
| | Extraocular features | | Inflammatory low backache | 1 (25) | 5 (41.7) | | Heel pain | 1 (25) | 1 (6.3) | | Joint pain | — | 4 (33.3) | | More than 1 feature | — | 2 (16.7) |
| | Inflammatory markers | | CRP, median (IQR) | 1.6 (1.1–32) | 5.4 (2.6–7.9) | | ESR, median (IQR) | 15.5 (8.3–46.8) | 18 (10–40) |
| | HLA-B patterns | | B07, n | 0 | 4 | | B13, n | 1 | 1 | | B15, n | 0 | 3 | | B18, n | 0 | 1 | | B27, n | 0 | 3 | | B35, n | 3 | 1 | | B40, n | 0 | 4 | | B44, n | 0 | 1 | | B51, n | 0 | 2 | | B52, n | 0 | 0 | | B53, n | 1 | 0 | | B55, n | 0 | 1 | | B58, n | 1 | 0 |
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