This improved reclassification of patients experiencing the composite endpoint versus the conventional definition ( net reclassification index ( NRI ) : 0.23 , 95 % CI ( 0.09-0 .36 ) , p < 0.001 ) and universal MI definition ( NRI : 0.15 , 95 % CI ( 0.02-0 .29 ) , p = 0.027 ) .