A total of 175 of 437 infants assigned to budesonide for whom adequate data were available ( 40.0 % ) , as compared with 194 of 419 infants assigned to placebo for whom adequate data were available ( 46.3 % ) , died or had bronchopulmonary dysplasia ( relative risk , stratified according to gestational age , 0.86 ; 95 % confidence interval [ CI ] , 0.75 to 1.00 ; P = 0.05 ) .