Assessment of the Accuracy and Reliability of Vascular Surgery Quality Metrics

Value in acute care surgery, part 2: Defining and measuring quality outcomes

“…62 However, errors and statistically invalid scores can be seen when small group sizes and inaccurate surgeon or service line attribution of patient outcomes are made. 63 Risk Adjustment: Registry Data Unlike administrative data, disease registries are usually constructed with robust risk adjustment in mind, with quality rather than billing as the primary purpose. Risk adjustment in these programs can rely on collection of key patient risk factors and postoperative complications by skilled abstractors.…”

“…Risk adjustment within Vizient uses a proprietary risk adjustment tool comparing individual surgeon, service line, and hospital performance to benchmarks from a group of hospitals 62 . However, errors and statistically invalid scores can be seen when small group sizes and inaccurate surgeon or service line attribution of patient outcomes are made 63 …”