Mitigating imperfect data validity in administrative data PSIs: a method for estimating true adverse event rates.
Boussat B, Quan H, Labarere J, et al. Mitigating imperfect data validity in administrative data PSIs: a method for estimating true adverse event rates. Int J Qual Health Care. 2021;33(1):mzab025. doi:10.1093/intqhc/mzab025.
Prior research has raised concerns about the accuracy of the patient safety indicators (PSIs). In an effort to improve accuracy, researchers combined PSI measurement with administrative data, manual review of a subsample of charts, and validity adjustment, and found that this approach can account for some validity concerns in estimating adverse event rates.