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Original Investigation |

Prevalence of Noninfectious Uveitis in the United States A Claims-Based Analysis ONLINE FIRST

Jennifer E. Thorne, MD, PhD1,2; Eric Suhler, MD, MPH3,4; Martha Skup, PhD5; Samir Tari, MD, MBA5; Dendy Macaulay, PhD6; Jingdong Chao, PhD5; Arijit Ganguli, PhD, MBA5
[+] Author Affiliations
1Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, Maryland
2Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
3Department of Ophthalmology, Oregon Health & Science University/Casey Eye Institute, Portland
4Department of Ophthalmology, Portland VA Health Care System, Portland, Oregon
5AbbVie Inc, North Chicago, Illinois
6Analysis Group Inc, New York, New York
JAMA Ophthalmol. Published online September 08, 2016. doi:10.1001/jamaophthalmol.2016.3229
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Importance  Noninfectious uveitis (NIU) is a collection of intraocular inflammatory disorders that may be associated with significant visual impairment. To our knowledge, few studies have investigated NIU prevalence overall or stratified by inflammation location, severity, presence of systemic conditions, age, or sex.

Objective  To estimate NIU prevalence using a large, retrospective, administrative claims database.

Design, Setting, and Participants  This analysis used the OptumHealth Reporting and Insights database to estimate 2012 NIU prevalence. Analysis was conducted in September 2016. The large administrative insurance claims database includes 14 million privately insured individuals in 69 self-insured companies spanning diverse industries. Included in the study were patients with NIU with 2 or more uveitis diagnoses on separate days in 2012 and continuous enrollment in a health plan for all of 2012 and categorized by inflammation site.

Main Outcomes and Measures  We estimated overall NIU prevalence by inflammation site, severity, sex, and age. Patients with anterior NIU were categorized by the presence of systemic conditions.

Results  Of the approximately 4 million eligible adult patients, approximately 2.1 million were women, and of the 932 260 children, 475 481 were boys. The adult prevalence of NIU was 121 cases per 100 000 persons (95% CI, 117.5-124.3). The pediatric NIU prevalence was 29 cases per 100 000 (95% CI, 26.1-33.2). Anterior NIU accounted for 81% (3904 cases) of adult NIU cases (98 per 100 000; 95% CI, 94.7-100.9) and 75% (207 cases) of pediatric NIU cases (22 per 100 000; 95% CI, 19.3-25.4). The prevalences of noninfectious intermediate, posterior, and panuveitis were, for adults, 1 (95% CI, 0.8-1.5), 10 (95% CI, 9.4-11.5), and 12 (95% CI, 10.6-12.7) per 100 000, respectively, and for pediatric patients, 0 (95% CI, 0.1-1.1), 3 (95% CI, 1.8-4.1), and 4 (95% CI, 2.9-5.6) per 100 000, respectively. The prevalence of NIU increased with age and was higher among adult females than males. Application of these estimates to the US population suggests that NIU affected approximately 298 801 American adults (95% CI, 290 512-307 324) and 21 879 children (95% CI, 19 360-24 626) in 2015.

Conclusions and Relevance  The estimated prevalence of NIU was 121 cases per 100 000 for adults (95% CI, 117.5-124.3) and 29 per 100 000 for children (95% CI, 26.1-33.2). Prevalence was estimated using administrative claims from a commercially insured population, which may have a different prevalence than other segments of the US population. A better understanding of the prevalence of NIU will help to determine the number of patients affected.

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Figure.
Estimated Uveitis and Noninfectious Uveitis (NIU) Cases in the United Statesa

JIA indicates juvenile idiopathic arthritis.

aPatient sex was recorded by the insurance company.

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