Purpose
To determine the frequency of visits to emergency departments (EDs) for non-urgent and urgent ocular conditions and risk factors associated with utilization of the ED for non-urgent and urgent ocular problems.
Design
Retrospective longitudinal cohort analysis
Participants
All enrollees age ≥ 21 years old in a U.S. managed care network from 2001-2014.
Methods
We identified all enrollees who presented to an ED with ocular conditions identified by International Classification of Diseases, 9th Revision billing codes. We designated each diagnosis as “urgent”, “non-urgent”, or “other”. We assessed the frequency of ED visits for urgent and non-urgent ocular conditions and how they changed over time. Next, we performed multivariable Cox regression modeling to determine factors associated with visiting an ED for urgent or non-urgent ocular conditions.
Main Outcome Measures
Hazard ratios (HR) with 95% confidence intervals (CI) of visiting an ED for urgent or non-urgent ocular conditions.
Results
Of the 11,160,833 enrollees eligible for this study, 376,680 (3.4%) had ≥1 ED visit for an eye-related problem over a mean ± standard deviation of 5.4 ± 3.3 years follow-up. Among the 376,680 enrollees who visited the ED for ocular conditions, 86,473 (23.0%) had ≥1 ED visits with a non-urgent ocular condition and 25,289 (6.7%) had ≥1 ED visit with an urgent ocular condition. ED utilization for non-urgent ocular problems was associated with younger age (p<0.0001 for all comparisons), black race or Latino ethnicity (p<0.0001 for both), male sex (p<0.0001), lower income (p<0.0001 for all comparisons), and those who frequently presented to an ED for non-ophthalmologic medical problems in a given year (p<0.0001). Enrollees with established eye care professionals had a 10% reduced hazard of visiting the ED for non-urgent ocular conditions (adjusted HR=0.90 [CI 0.88-0.92], p<0.0001).
Conclusions
Nearly one quarter of all enrollees in this managed care network who visited the ED for ocular problems were diagnosed with non-urgent conditions. Better educating and incentivizing patients to seek care for non-urgent ocular diseases in an office-based setting instead of an ED could potentially yield considerable cost savings without adversely affecting health outcomes and allow EDs to better serve patients with more severe problems.