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%.
Tax Information. Property Taxes. Property Taxes for the City of North Charleston are billed and collected by the Charleston County and Dorchester County Auditors' and Treasurer's departments through interlocal agreements entered into by the City of North Charleston and the respective county governments.