June 5, 2020 Conference


Epidemiology of United States Inpatient Open Globe Injury from 2009-2013

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Dr. Vivian Paraskevi Douglas, Massachusetts Eye and Ear Infirmary (Presenter)
Ms. Neha Siddiqui, University of Illinois Hospital and Health Sciences System, Carle Illinois College of Medicine
Evan Chen, Yale Universitty
Dr. Ravi Parikh, NYU Langone Health Department of Ophthalmology, NYU School of Medicine
Dr. Paula Feng, Department of Ophthalmology and Visual Science, Yale Scholl of Medicine
Dr. Grayson Armstrong, Massachusetts Eye & Ear Infirmary
Design: A retrospective cohort study using the National Inpatient Sample (NIS) from 2009-2013. Methods: Patients with a primary diagnosis of OGI using ICD codes were assessed in the NIS dataset, a nationally representative sample of inpatient stays. Sociodemographic characteristics, including age, gender, race, ethnicity, insurance status/type, and income quartile were stratified for comparison. Annual prevalence rates were calculated using 2010 US Census data. Statistical analysis included Chi square tests, ANCOVA, and Tukey HSD tests. Results: A total of 4,935 US inpatient hospital discharge records met inclusion/exclusion criteria. The estimated national prevalence of OGI during the 5 year period from 2009-2013 was 24,671 (95% confidence interval [CI] 21,056-28,286). The overall annual prevalence rate was 1.60 per 100,000 per year (CI 1.55-1.64). Overall, average annual prevalence rates were highest among patients 85+ (9.12, CI 8.33-9.98), on Medicare (3.88, CI 3.67-4.09), males (2.32, CI 2.21-2.38), African Americans (2.26, CI 2.16-2.47), and Native Americans (1.88, CI 1.43-2.46). Overall OGI rates were lowest among Caucasians (1.20, CI 1.16-1.25), females (0.92, CI 0.87-0.96), those with private insurance (0.87, CI 0.83-0.92), and Asians (0.69, CI 0.58-0.85). Being in the lowest income quartile was a risk factor for OGI (p<0.05). Conclusions: Open globe injuries (OGI) are one of the most preventable eye injury types which can limit the quality of life and also have significant economic burden on patients and the health care system.1,2 Several countries have characterized OGI incidence in hopes to guide public health measures.2,3 This study demonstrates that OGIs disproportionately affect those 85+, young males, elderly females, patients of African American descent, on Medicare, and in the lowest income quartile. Further studies should delineate causes for socioeconomic differences in OGI to guide future public health measures.
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