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Health care resource utilization and cost burden of hemophilia B in the United States.

ABSTRACT: Hemophilia B is a rare congenital blood disorder characterized by factor IX deficiency. Clinical profiles of hemophilia B range from mild to severe forms of the disease. The objective of this study was to characterize the economic burden associated with differing clinical profiles of hemophilia B from a US health system perspective. Using the IBM MarketScan database (June 2011-February 2019), a claims-based algorithm was developed to identify 4 distinct profiles (mild, moderate, moderate-severe, and severe) in adult males with hemophilia B based on the frequency of hemorrhage events and factor IX replacement claims. Mean annual health care resource use (HRU) and costs were statistically compared between patients with hemophilia B (N = 454) and 1:1 demographic-matched controls (N = 454), both overall and with stratification by clinical profile. Compared with matched controls, patients with hemophilia B had a significantly higher comorbidity burden (Charlson Comorbidity Index, mean ± standard deviation [SD]: 0.9 ± 1.7 vs 0.3 ± 0.9, P < .001). Across all clinical profiles, patients with hemophilia B had significantly higher HRU vs matched controls (mean ± SD: 0.3 ± 0.6 vs 0.1 ± 0.3 inpatient admissions; 0.6 ± 1.2 vs 0.2 ± 0.6 emergency department visits; 17.7 ± 22.9 vs 8.0 ± 11.0 outpatient visits; all P < .001). Annual total health care costs per patient among patients with hemophilia B were more than 25-fold higher vs matched controls (mean ± SD: $201 635 ± $411 530 vs $7879 ± $29 040, respectively, P < .001). Annual total health care costs per patient increased with increasing severity (mean ± SD: mild, $80 811 ± $284 313; moderate, $137 455 ± $222 021; moderate-severe, $251 619 ± $576 886; severe, $632 088 ± $501 270). The findings of this study highlight the substantial burden of illness associated with hemophilia B.

SUBMITTER: Buckner TW

PROVIDER: S-EPMC8045501 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundCare advances in the United States (US) have led to improved survival of children with neurological impairment (NI). Children with NI may account for an increasing proportion of hospital resources. However, this assumption has not been tested at a national level.Methods and findingsWe conducted a study of 25,747,016 US hospitalizations of children recorded in the Kids' Inpatient Database (years 1997, 2000, 2003, and 2006). Children with NI were identified with International Classification of Diseases, 9th Revision, Clinical Modification diagnoses resulting in functional and/or intellectual impairment. We assessed trends in inpatient resource utilization for children with NI with a Mantel-Haenszel chi-square test using all 4 y of data combined. Across the 4 y combined, children with NI accounted for 5.2% (1,338,590) of all hospitalizations. Epilepsy (52.2% [n = 538,978]) and cerebral palsy (15.9% [n = 164,665]) were the most prevalent NI diagnoses. The proportion of hospitalizations attributable to children with NI did not change significantly (p = 0.32) over time. In 2006, children with NI accounted for 5.3% (n = 345,621) of all hospitalizations, 13.9% (n = 3.4 million) of bed days, and 21.6% (US$17.7 billion) of all hospital charges within all hospitals. Over time, the proportion of hospitalizations attributable to children with NI decreased within non-children's hospitals (3.0% [n = 146,324] in 1997 to 2.5% [n = 113,097] in 2006, p<.001) and increased within children's hospitals (11.7% [n = 179,324] in 1997 to 13.5% [n = 209,708] in 2006, p<0.001). In 2006, children with NI accounted for 24.7% (2.1 million) of bed days and 29.0% (US$12.0 billion) of hospital charges within children's hospitals.ConclusionsChildren with NI account for a substantial proportion of inpatient resources utilized in the US. Their impact is growing within children's hospitals. We must ensure that the current health care system is staffed, educated, and equipped to serve this growing segment of vulnerable children.

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Health care resource utilization and cost burden of hemophilia B in the United States.

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