Incomplete nursing care can decrease patient satisfaction and threaten patient safety. This systematic review including 15 studies found that rationing of nursing care (i.e., intentional withholding or delay in essential nursing care) adversely impacts patient safety, contributing to higher incidence of falls, medication errors, pressure injuries, and healthcare-associated infections. The authors of the review discuss several hospital characteristics (i.e., workload, staffing levels, experience) that contribute to rationing of nursing care.