RESULTS	In Phase IV , in a trial with 60 participating physicians , 23 EHR checklist users reported higher usage than 12 paper users ( 28.5 versus 7.67 , p = .019 ) , as well as higher checklist integration with work flow ( 22.6 versus 1.67 , p = .014 ) , usefulness of checklist ( 33.7 versus .\