Hospital Information: Outpatient Cost to Charge Ratio - History BACHARACH INSTITUTE FOR REHAB Click here to download this table. Ratio Effective Date 048.17% 1/1/2023 049.53% 1/1/2022 049.58% 1/1/2021 042.60% 1/1/2020 042.60% 1/1/2019 043.47% 1/1/2018 042.33% 1/1/2017 041.22% 1/1/2016 046.23% 1/1/2015