Hospital Information: Inpatient Cost to Charge Ratio - History ST MICHAELS MED CENTER Click here to download this table. Click here to return to the list of current Inpatient Cost Ratios. Effective Date CCR Rate BaseRate AddonService AddonAccess 01/01/2016 0.32756 5067.50 5067.50 0.00% 0.00% 01/01/2015 0.32292 5938.48 4948.73 10.00% 10.00% 01/01/2014 0.31861 5771.11 4809.26 10.00% 10.00%