Table 3.
Characteristics of Cases by Case Source (High-tuberculosis-burden Country vs Low-tuberculosis burden Country)
| Country Type for Case Source* | |||
|---|---|---|---|
| Characteristic | High-TB-burden | Low-TB-burden | P-value |
| Number cases | 188 | 89 | |
| Demographics | |||
| Age, median, years (25th, 75th percentile) | 30 (23, 40) | 41 (29, 57) | <0.001 |
| Gender (%) | 0.07 | ||
| Men | 76 | 65 | |
| Women | 24 | 35 | |
| Uveitis History | |||
| Uveitis course (%) | <0.001 | ||
| Acute, monophasic | 34 | 8 | |
| Acute, recurrent | 2 | 2 | |
| Chronic | 64 | 73 | |
| Indeterminate | 0 | 17 | |
| Laterality (%) | 0.01 | ||
| Unilateral | 49 | 33 | |
| Bilateral | 51 | 67 | |
| Ophthalmic examination | |||
| Keratic precipitates (%) | <0.001 | ||
| None | 95 | 71 | |
| Fine or round | 3 | 19 | |
| Mutton fat | 2 | 10 | |
| Anterior chamber cells (%) | <0.001 | ||
| Grade 0 | 79 | 50 | |
| ≥ grade ½+ | 21 | 50 | |
| Anterior chamber flare (%) | 0.01 | ||
| Grade 0 | 90 | 78 | |
| ≥ grade 1+ | 10 | 22 | |
| Iris (%) | <0.001 | ||
| Normal | 97 | 85 | |
| Posterior synechiae | 2 | 15 | |
| Iris nodules | 1 | 0 | |
| Intraocular pressure (IOP) involved eyes | |||
| Median, mm Hg (25th, 75th percentile) | 15 (14, 17) | 16 (12, 18) | 0.91 |
| Cases with IOP >24 mm Hg either eye (%) | 2 | 11 | 0.002 |
| Vitreous cells (%) | 0.12 | ||
| ≤grade ½+ | 52 | 46 | |
| ≥grade 1+ | 48 | 54 | |
| Vitreous haze (%) | <0.001 | ||
| Grade 0 | 73 | 46 | |
| ≥grade ½+ | 27 | 54 | |
| Serpiginous-like tubercular choroiditis (%) | 54 | 21 | <0.001 |
| Choroidal nodule (i.e. tuberculoma) (%) | 4 | 3 | 0.51 |
| Retinal vasculitis (%) | 46 | 68 | 0.001 |
*
TB = tuberculosis. High-burden defined by World Health Organization.