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%.
Page Content. âThe popular Sales Tax Holiday weekend in South Carolina will begin Friday, August 7 at 12:01 a.m. and end Sunday, August 9 at midnight. During the annual Sales Tax Holiday, shoppers will benefit from an exemption of the 6% state sales tax and any applicable local taxes on the purchase of school supplies.