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Study Spotlights Disparities in Specialized Epilepsy Care


 

AT THE ANNUAL MEETING OF THE AMERICAN EPILEPSY SOCIETY

SAN DIEGO – People with epilepsy who lacked health insurance were less likely to receive specialized epilepsy care in the form of video EEG monitoring and surgery, as were those on Medicaid or who were elderly, black, Hispanic, or had comorbidities, a study of nearly 200,000 adults in California demonstrated.

"Specialized epilepsy care can provide proper diagnosis and therapeutic interventions to control seizures and improve quality of life," Nicholas K. Schiltz said in an interview in advance of the annual meeting of the American Epilepsy Society, where the work was presented. "Previous studies have found evidence of disparities in access to epilepsy specialists among persons with low socioeconomic status and among racial and ethnic minorities. Other studies have found patients with Medicaid have difficulty accessing specialty care. This is the first report that explores the impact of both individual and community characteristics on disparities in access to specialized epilepsy care in persons with epilepsy."

For the study, Mr. Schiltz, a PhD candidate in the department of epidemiology and biostatistics at Case Western Reserve University, Cleveland, and his associates performed a cross-sectional analysis using data between 2005 and 2009 from the California State Inpatient Sample, the State Ambulatory Surgery Database, and the State Emergency Department Database, which provided information on all hospital discharges, ambulatory surgeries, and emergency department visits. The researchers linked these datasets to a 2009 Area Resource File, which provided health resource information and socioeconomic characteristics at the county level, and used a two-level hierarchical logistic regression model to determine the probability that an individual would receive video EEG monitoring or surgery. Individual-level predictors included insurance status, age, race/ethnicity, gender, and comorbidities, while county level predictors included proximity to a comprehensive epilepsy center and social and economic characteristics.

Of the 195,166 adults with epilepsy who were included in the study, 4,707 had video EEG monitoring and 779 underwent surgery during the study period. Mr. Schiltz reported that uninsured individuals were less likely to have video EEG monitoring (adjusted odds ratio [AOR] 0.16) or surgery (AOR 0.05). Similarly, those on Medicaid had significantly lower odds of receiving video EEG monitoring (AOR 0.65) and surgery (AOR 0.38), compared with individuals who had private insurance.

Other individual characteristics significantly associated with a low likelihood of having video EEG monitoring including being black (AOR 0.56), Hispanic (AOR 0.81), older (AOR 0.51), and having comorbid conditions (AOR 0.62).

Other individual characteristics associated with a low likelihood of having surgery including being black (AOR 0.22), older (AOR 0.44), and having comorbid conditions (AOR 0.47).

The researchers also found that adults who routinely received their services in an area where epilepsy centers are located were more likely to undergo video EEG monitoring (AOR 1.61) and surgery (AOR 2.64) than were those who had a regular source of care elsewhere.

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