The authors aim to study seasonal variation and systemic associations in HLA-B27-related uveitis (HBU). The study[1] was designed as a retrospective observational chart review conducted for 5 years (January 2015–December… Click to show full abstract
The authors aim to study seasonal variation and systemic associations in HLA-B27-related uveitis (HBU). The study[1] was designed as a retrospective observational chart review conducted for 5 years (January 2015–December 2019). They have divided their study population into three groups: X, Y, and Z. Group X had new cases presented from January 2017 to December 2019 and were studied for incidence patterns. Group Y represented cases with ≥ 1 year follow up and were studied for the systemic associations. Group Z included cases with ≥ 4 episodes of active uveitis and were studied for the recurrence pattern. A year was divided into three segments of the year (SoY): 1. November–February, 2. March–June, 3. July–October.
               
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