Adherence to Methodological Standards in Research Using the National Inpatient Sample

Publicly available data sets hold much potential, but their unique design may require specific analytic approaches.To determine adherence to appropriate research practices for a frequently used large public database, the National Inpatient Sample (NIS) of the Agency for Healthcare Research and Quality (AHRQ).In this observational study of the 1082 studies published using the NIS from January 2015 through December 2016, a representative sample of...