Journal Article
Study

Clinical validation of the AHRQ postoperative venous thromboembolism patient safety indicator.

Henderson KE, Recktenwald A j, Reichley RM, et al. Joint Commission journal on quality and patient safety. 2009;35:370-6.

This study confirmed that the AHRQ patient safety indicator (PSI) for postoperative deep venous thrombosis (DVT) is best used as a screening tool for identifying preventable DVT cases from administrative data. Use of the PSI identified nearly all true DVT cases but also identified a significant number of false positives.