Prevalence and Incidence of Optic Neuritis in Patients with Different Types of Uveitis.

Ophthalmic Epidemiol

a Employee of AbbVie Inc ., Chicago , Ilinois , USA.

Published: February 2018

Purpose: This database study aims to investigate the incidence and prevalence of optic neuritis (ON) among patients with different types of uveitis.

Methods: A retrospective analysis of the Truven Health MarketScan® database from 2000 to 2014 was conducted. Patients with uveitis were followed until diagnosis of ON or until they were censored. Diagnosis of uveitis and demyelinating diseases of the central nervous system (DD) including ON were based on ICD-9 codes. Patients with a diagnosis of DD at or before the index date of diagnosis of uveitis were excluded from incidence calculation. In the prevalence analysis, any diagnoses of DD during continuous enrollment were counted.

Results: Among the 103,867 uveitis patients, 974 had ever been diagnosed with ON and 2121 with DD including ON during the continuous enrollment. Prevalence rates of ON in patients with intermediate, posterior and pan uveitis are approximately 2.0-2.5% while a lower prevalence (0.6%) of ON was observed in anterior uveitis. During a median follow-up period of 2.2 years, 463 new cases of ON were diagnosed. The incidence rates of ON per 100 person-years (95% CI) were 0.12 (0.11-0.13), 0.28 (0.18-0.41), 0.29 (0.23-0.35) and 0.38 (0.24-0.56), respectively, for anterior, intermediate, posterior and pan uveitis.

Conclusion: Incidence and prevalence of ON among patients with intermediate, posterior and pan uveitis were comparable and higher than the rates in patients with anterior uveitis.

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Source
http://dx.doi.org/10.1080/09286586.2017.1339808DOI Listing

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