The primary end-point of RUTTS score < 30 % occurred in 99.8 % ( 899/901 ) of Cre8 struts and in 99.6 % ( 1116/1121 ) of Vision/Multilink8 struts ( difference 0.2 , CI 95 % -0.2 to 0.6 , p for noninferiority < 0.001 ) .