RESULTS	Our results did not show any difference in the incidence of VAP and mortality in mechanically ventilated PICU patients treated with ranitidine , omeprazole , or sucralfate , or nontreated subjects ( P = .963 , confidence interval [ CI ] = 0.958-0 .968 ; P = .988 , CI = 0.985-0 .991 , respectively ) .\