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. 2015 Aug;262(2):249-52.
doi: 10.1097/SLA.0000000000001069.

Impact of Surgical Quality Improvement on Payments in Medicare Patients

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Impact of Surgical Quality Improvement on Payments in Medicare Patients

Christopher P Scally et al. Ann Surg. .
Free PMC article

Abstract

Objective: To examine the financial impact of quality improvement using Medicare payment data.

Background: Demonstrating a business case for quality improvement--that is, that fewer complications translates into lower costs--is essential to justify investment in quality improvement. Prior research is limited to cross-sectional studies showing that patients with complications have higher costs. We designed a study to better evaluate the relationship between payments and complications by using quality improvement itself as a measured outcome.

Methods: We used national Medicare data for patients undergoing general (n = 1,485,667) and vascular (n = 531,951) procedures. We calculated hospitals' rates of serious complications in 2 time periods: 2003-2004 and 2009-2010. We sorted hospitals into quintiles by the change in complication rates across these time periods. Costs were assessed using price-standardized Medicare payments, and regression analyses used to determine the average change in payments over time.

Results: There was significant change in serious complication rates across the 2 time periods. The top 20% of hospitals demonstrated a 38% decrease (14.3% vs 11.6%, P < 0.001) in complications; in contrast the bottom 20% demonstrated a 25% increase (11.1% vs 16.5%, P < 0.001). There was a strong relationship between quality improvement and payments. The top hospitals reduced their payments by $1544 per patient (95% confidence interval: $1334-1755), whereas the bottom of hospitals had no significant change (average $67 increase, 95% confidence interval: -$123 to $258).

Conclusions: Hospitals that reduced their complications over time had significant reductions in Medicare payments. This demonstrates that payers are clearly incentivized to invest in quality improvement.

Figures

Figure 1
Figure 1
Average Change in Medicare Payments for all procedure types between 2003-2004 and 2009-2010 for each Hospital Quintile of quality improvement

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