In-segment late luminal loss was comparable between the 2 groups at the 9-month angiographic follow-up ( BES , 0.14 0.38 versus PtCr-EES , 0.11 0.37 mm ; difference , 0.031 ; 95 % confidence interval , -0.053 to 0.091 ; P = 0.03 for a noninferiority margin of 0.11 , P = 0.45 for superiority ) , as was in-stent late luminal loss ( 0.20 0.41 versus 0.24 0.38 mm ; P = 0.29 ) .