Productivity Loss and Indirect Burden of Cyclic Vomiting Syndrome in the United States
Xue Song1, Yaozhu J Chen2, Allison Perry1
1IBM Watson Health, Cambridge, Massachusetts.
Background And Aims:
To quantify the indirect burden of cyclic vomiting syndrome (CVS), we assessed work-related productivity loss in patients with CVS and caregivers using large-sized databases in the United States.
Methods:
Patients aged 18-64 years with full-time employment in MarketScan Commercial and Health and Productivity Management Databases were selected if they had ≥1 inpatient or ≥2 outpatient claims for CVS between 2008 and 2018 and continuous enrollment of ≥6 months before and ≥3 months after the initial CVS diagnosis. CVS caregivers were adults with full-time employment and also having dependent(s) with CVS. Propensity scores via multivariable regressions were used to match patients with CVS and their caregivers to non-CVS controls. Productivity loss was assessed by short-term disability (STD) and absenteeism (ABS) days, and the associated costs were also calculated. Differences between the matched cohorts were regarded as the burden attributable to CVS.
Results:
Patients with CVS had longer annualized STD (21.1 vs 7.0, P < .001) and ABS days (26.4 vs 22.8, P < .05) than their matched controls. CVS caregivers had more annualized STD (3.9 vs 2.6, P < .001) and ABS days (20.9 vs 19.5, P < .05) than controls. Productivity loss costs for STD or ABS days were greater for patients with CVS and caregivers. Annualized health-care resource utilization (inpatient, emergency room, outpatient) was 5.2-6.0 times higher in patients with CVS (P < .001).
Conclusion:
CVS is associated with higher productivity loss due to STD/ABS and, therefore, greater indirect costs for patients and caregivers. Further research is needed to assess the full societal burden of CVS. More effective interventions may reduce the disease burden.
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