Financial risk and hospital cost in stratified, peripheral vascular surgical DRGs without complications and comorbidities
The purpose of this study was to analyze hospital resource consumption in any of the nine non-complicating conditions covered under stratified, peripheral vascular surgical Diagnosis-Related Groups (DRGs) using the new DRG prospectiveAII Payer System in effect in New York. There is significant health policy debate at the level of the United States Congress regarding the improvement of the equity of DRG hospital payment. Although there have been a number of recommendations by federal advisory bodies to further stratify DRGs by complications and comorbidities, no major revision of DRGs along these lines has been implemented. The all payer system uses the DRG format to pay for all patients. We analyzed 788 peripheral vascular surgical patients by payer (Medicare, Medicaid, Blue Cross and commercial insurance) in these stratified, peripheral vascular surgical DRGs with no complica-tions or comorbidities for a three year period. Our study demonstrated that patients within each DRG with more complications and comorbidities generated higher total hospital costs, a longer hospital length of stay, a greater percentage of procedures per patient, financial risk under DRG payment, more outliers, and a higher mortality, compared to patients in these same DRGs with fewer complications and comorbidi-ties. These findings suggest that new, prospective DRG all payer systems may be inequitable to certain groups of patients or types of hospitals in these stratified peripheral vascular surgical DRGs with no complications or comorbidities. This analysis suggests that these peripheral vascular surgical DRGs should be stratified by the numbers and types of complications and comorbidities to more equitably reimburse hospitals under DRGs. Since all payer systems use the federal model, the inequities demonstrated in our study will be applicable to all peripheral vascular patients.
Key wordsAll payer DRG systems costs peripheral vascular surgical DRGs complications and comorbidities DRGs
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