The risk of all-cause mortality was elevated for the highest versus the lowest tertiles of hsTnI ( aHR , 2.61 ; 95 % confidence interval , 1.81-3 .78 ; P for trend < 0.001 ) and BNP ( aHR , 1.45 ; 95 % confidence interval , 1.03-2 .04 ; P for trend 0.02 ) .