Participants receiving the bundle were less likely to receive more than 0.5 mg of IV , intramuscular , or oral haloperidol ( OR = 0.60 , 95 % CI = 0.39-0 .91 , P = .02 ) and more than 2 mg of IV morphine ( OR = 0.52 , 95 % CI = 0.42-0 .63 , P < .001 ) .