extremely significantp <0.001
The percentages of IDS activity expressed in transfected COS-7 cells of individual novel missense mutations for c.137A>C, c.311A>T, c.454A>C, c.797C>G, c.817C>T, c.998C>T, c.1106C>G, c.1400C>T, c.1402C>T, and c.1403G>A ranged from 0% to 2.2%, and were extremely significant compared to the wild type ( p <0.001).