Risk not reduced with aspirin use three or more times per week for colorectal and noncolorectal cancers
Hospitalization and fatality rates were 26 and 0.1 percent for gastroenteritis, 70 and 1.6 percent for bacteremia, 96 and 4 percent for meningitis
Hazard ratios highest for patients exposed to immunomodulators and biologics or second-line biologics