Table 3

General characteristics and biomicroscopic features of the unilateral cases of acute anterior uveitis

General characteristics and biomicroscopic features Idiopathic B27+ (n=63) AS/SpA B27+ (n=9) Idiopathic B27− (n=11) Other uveitis entity B27− (n=5)
Median age at onset (years)31284544
Male:female1.3:13.5:11.2:12:3
Recurrent (%)49782740
Fibrin exudate (%)43565560
Hypopyon (%)110180
Fatty keratic precipitates (%)60075
Patchy/sectorial iris atrophy00060
Persistent posterior synechiae (%)22221840
  • Ankylosing spondylitis (AS) or other seronegative spondyloarthropathy (SpA).