The Alliance analyzed commercially-contracted fees negotiated between insurers and providers, both physicians and facilities for common inpatient treatments provided in 2016 and found wide variations across the state as well as within facilities.

The Alliance analyzed which inpatient spending trends had the greatest effect on health care costs in Washington state from 2015 and 2016 and found that for all inpatient care, total spending declined by 1.5%, a reduction of $29.5 million.