Journal of medical economics · 2013
The direct medical costs of Huntington's disease by stage. A retrospective commercial and Medicaid claims data analysis.
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Divino Victoria, Dekoven Mitch, Warner John H, Giuliano Joseph, Anderson Karen E, Langbehn Douglas, Lee Won Chan
Аннотация
OBJECTIVE: This study quantified the direct healthcare costs and major cost drivers among patients with Huntington's disease (HD), by disease stage in commercial and Medicaid databases.
METHODS: This retrospective database analysis used healthcare utilization/cost data for HD patients (ICD-9-CM 333.4) from Thomson Reuters' MarketScan Commercial and Medicaid 2002-2009 databases. Patients were classified by disease stage (Early/Middle/Late) by a hierarchical assessment of markers of disease severity, confirmed by literature review and key opinion leader input. Costs were measured over the follow-up time of each patient with total costs per patient per stage annualized using a patient-year cost approach.
RESULTS: Among 1272 HD patients, the mean age was similar in commercial (752 patients) and Medicaid (520 patients) populations (48.5 years (SD = 13.3) and 49.3 years (SD = 17.2), respectively). Commercial patients were evenly distributed by stage (30.5%/35.5%/34.0%; Early/Middle/Late). However, most (74.0%) Medicaid HD patients were classified as Late stage. The mean total annualized cost per patient increased by stage (commercial: $4947 (SD = $6040)-$22,582 (SD = $39,028); Medicaid: $3257 (SD = $5670)-$37,495 (SD = $27,111). Outpatient costs were the primary healthcare cost component. The vast majority (73.8%) of Medicaid Late stage patients received nursing home care and the majority (54.6%) of Medicaid Late stage costs were associated with nursing home care. In comparison, only 40.6% of commercial Late stage patients received nursing home care, which contributed to only 4.6% of commercial Late stage costs.
CONCLUSIONS: The annual direct economic burden of HD is substantial and increased with disease progression. More late stage Medicaid HD patients were in nursing homes and for a longer time than their commercial counterparts, reflected by their higher costs (suggesting greater disease severity). Key limitations include the classification of patients into a single stage, as well as a lack of visibility into full long-term care/nursing home-related costs for commercial patients.
METHODS: This retrospective database analysis used healthcare utilization/cost data for HD patients (ICD-9-CM 333.4) from Thomson Reuters' MarketScan Commercial and Medicaid 2002-2009 databases. Patients were classified by disease stage (Early/Middle/Late) by a hierarchical assessment of markers of disease severity, confirmed by literature review and key opinion leader input. Costs were measured over the follow-up time of each patient with total costs per patient per stage annualized using a patient-year cost approach.
RESULTS: Among 1272 HD patients, the mean age was similar in commercial (752 patients) and Medicaid (520 patients) populations (48.5 years (SD = 13.3) and 49.3 years (SD = 17.2), respectively). Commercial patients were evenly distributed by stage (30.5%/35.5%/34.0%; Early/Middle/Late). However, most (74.0%) Medicaid HD patients were classified as Late stage. The mean total annualized cost per patient increased by stage (commercial: $4947 (SD = $6040)-$22,582 (SD = $39,028); Medicaid: $3257 (SD = $5670)-$37,495 (SD = $27,111). Outpatient costs were the primary healthcare cost component. The vast majority (73.8%) of Medicaid Late stage patients received nursing home care and the majority (54.6%) of Medicaid Late stage costs were associated with nursing home care. In comparison, only 40.6% of commercial Late stage patients received nursing home care, which contributed to only 4.6% of commercial Late stage costs.
CONCLUSIONS: The annual direct economic burden of HD is substantial and increased with disease progression. More late stage Medicaid HD patients were in nursing homes and for a longer time than their commercial counterparts, reflected by their higher costs (suggesting greater disease severity). Key limitations include the classification of patients into a single stage, as well as a lack of visibility into full long-term care/nursing home-related costs for commercial patients.