Table 3.
Characteristics of Cases with Spondyloarthritis/HLA-B27-associated Anterior Uveitis
| Characteristic | Result |
|---|---|
| Number cases | 184 |
| Demographics | |
| Age, median, years (25th 75th percentile) | 37 (30, 46) |
| Age category, years (%) | |
| ≤16 | 4 |
| 17–50 | 76 |
| 51–59 | 11 |
| ≥60 | 10 |
| Gender (%) | |
| Men | 54 |
| Women | 46 |
| Race/ethnicity (%) | |
| White, non-Hispanic | 73 |
| Black, non-Hispanic | 4 |
| Hispanic | 2 |
| Asian, Pacific Islander | 13 |
| Other | 3 |
| Missing/unknown | 5 |
| Uveitis History | |
| Uveitis course (%) | |
| Acute, monophasic | 15 |
| Acute, recurrent | 61 |
| Chronic | 17 |
| Indeterminate | 8 |
| Laterality (%) | |
| Unilateral | 60 |
| Unilateral, alternating | 36 |
| Bilateral | 4 |
| Ophthalmic examination | |
| Cornea | |
| No keratitis | 100 |
| Keratitis | 0 |
| Keratic precipitates (%) | |
| None | 0 |
| Fine | 41 |
| Round | 54 |
| Stellate | 5 |
| Mutton Fat | 0 |
| Other | 0 |
| Anterior chamber cells (%) | |
| Grade ½+ | 8 |
| 1+ | 23 |
| 2+ | 35 |
| 3+ | 24 |
| 4+ | 10 |
| Hypopyon (%) | 10 |
| Anterior chamber flare (%) | |
| Grade 0 | 28 |
| 1+ | 36 |
| 2+ | 18 |
| 3+ | 7 |
| 4+ | 11 |
| Iris (%) | |
| Normal | 61 |
| Posterior synechiae | 38 |
| Sectoral iris atrophy | 1 |
| Patchy iris atrophy | 1 |
| Diffuse iris atrophy | 0 |
| Heterochromia | 0 |
| Intraocular pressure (IOP), involved eyes | |
| Median, mm Hg (25th, 75th percentile) | 13 (12, 16) |
| Proportion patients with IOP>24 mm Hg either eye (%) | 2 |
| Vitreous cells (%) | |
| Grade 0 | 68 |
| ½+ | 17 |
| 1+ | 12 |
| 2+ | 2 |
| 3+ | 1 |
| 4+ | 0 |
| Systemic disease (%) | |
| Spondyloarthritis | 53 |
| Psoriasis | 6 |
| Inflammatory bowel disease | 2 |
| Laboratory | |
| Positive HLA-B27* (%) | 97 |
*
179 positive of 184 patients tested.