One possible approach would be to use a relative change in creatinine (e.g. threefold) as the primary criterion, with an absolute cutoff (e.g. 4 mg/dL or about 350 mcmol/L) as a secondary criterion when baseline creatinine is abnormal. Similar approaches have been used in the literature (25,26).
The combined sales tax rate for Charleston, SC is 8.5%. This is the total of state, county and city sales tax rates. The South Carolina state sales tax rate is currently 6%. The Berkeley County sales tax rate is 0%. Charleston sales tax rate is 1%.
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Florida has a 6.00% sales tax and Charlotte County collects an additional 1.00%, so the minimum sales tax rate in Charlotte County is 7% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Charlotte County, including all local taxes.