of 3135 steroid-treated patients evaluated for gastrointestinal hemorrhage , 78 ( 2.5 per cent ) had bleeding , as compared with 48 of 2976 controls ( 1.6 per cent ) ( relative risk , 1.5 ; 95 per cent confidence interval , 1.1 to 2.2 ) .
C0017181
gastrointestinal hemorrhage
C0019080
bleeding