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Healthcare utilization and costs in children with stable and uncontrolled epilepsy
Joyce A Cramer1, Zhixiao J Wang2, Eunice Chang3
1Yale University School of Medicine, New Haven, CT, USA; Consultant, Houston, TX, USA.
Insights
Children with uncontrolled epilepsy incur higher healthcare costs and utilization than those with stable epilepsy. Uncontrolled epilepsy significantly impacts pediatric economic burden and resource use.
Area of Science:
- Pediatric Healthcare Economics
- Neurology
- Public Health
Background:
- Epilepsy significantly impacts childhood development and can lead to substantial economic burdens in pediatric populations.
- Understanding healthcare utilization and associated costs is crucial for managing pediatric epilepsy effectively.
Purpose of the Study:
- To compare annual healthcare utilization and costs between children under 12 with stable versus uncontrolled epilepsy.
- To assess the economic impact of uncontrolled epilepsy in pediatric patients treated with antiepileptic drugs (AEDs).
Main Methods:
- A retrospective analysis of the MarketScan claims database (2007-2009) identified children (<12 years) with epilepsy.
- Patients were categorized as having "stable" epilepsy (same AED for ≥12 months) or "uncontrolled" epilepsy (additional AEDs prescribed).
- Epilepsy-related utilization and costs were analyzed, adjusting for baseline differences using logistic regression and ANCOVA.
Main Results:
- Children with uncontrolled epilepsy experienced higher hospitalization rates (30.1% vs. 12.0%) and significantly greater overall and epilepsy-related costs.
- Adjusted analyses showed uncontrolled epilepsy was associated with increased odds of hospitalization (OR: 2.5) and higher epilepsy-related costs ($5744).
- Despite significant epilepsy-related expenses, comorbid conditions contributed substantially to the overall economic burden.
Conclusions:
- Uncontrolled epilepsy in children leads to significantly higher healthcare resource utilization and economic burden compared to stable epilepsy.
- The findings highlight the need for effective management strategies to control epilepsy and mitigate its economic impact on pediatric populations.
- Comorbidities play a significant role in the overall healthcare costs associated with childhood epilepsy.
Objective:
Epilepsy adversely affects childhood development, possibly leading to increased economic burden in pediatric populations. We compared annual healthcare utilization and costs between children (<12 years old) with stable and uncontrolled epilepsy treated with antiepileptic drugs (AEDs).
Methods:
Children (<12 years old) with epilepsy (ICD-9-CM 345.xx or 780.39) in 2008 were identified in the MarketScan claims database from 2007 to 2009. Patients with "stable" epilepsy used the same AED for ≥12 months, and patients with "uncontrolled" epilepsy were prescribed additional AED(s) during that period. For patients with uncontrolled epilepsy, the study index date was the start of additional AED(s); for patients with stable epilepsy, the study index date was a random AED fill date. Epilepsy-related utilization included medical services with 345.xx or 780.39 in any diagnosis field and AED fills. Epilepsy-related costs included AEDs, medical claims with epilepsy in any diagnosis field, and certain tests. We adjusted for baseline cohort differences (demographics, region, usual-care physician specialty, and comorbidities) using logistic regression and analysis of covariance.
Results:
Two thousand one hundred seventy patients were identified (mean: 7.5 years; 45.3% were female; Charlson comorbidity index: 0.3; 422 (19.4%) patients with uncontrolled epilepsy). Patients with uncontrolled epilepsy faced more hospitalizations (30.1% vs. 12.0%) and greater overall ($30,343 vs. $18,206) and epilepsy-related costs ($16,894 vs. $7979) (all p<.001). Adjusting for baseline measures, patients with uncontrolled epilepsy had greater odds of hospitalization (OR: 2.5; 95% CI: 1.9-3.3) and costs (overall: $3908, p=.087; epilepsy-related: $5744, p<.001).
Conclusions:
Children with uncontrolled epilepsy use significantly more healthcare resources and have a greater economic burden than children with stable epilepsy. However, epilepsy accounted for only half of overall costs, indicating that comorbid conditions may add substantially to the disease burden.
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