数据显示，90%的药品不良反应并非用药错误。

Healthcare Benchmarks Qual Improv. 2007 Jun;14(6):70-2.

Average total hospital costs for patients who experienced ADE's 50% more than for those who didn't. Corticosteroids, blood thinners, and anti-cancer drugs are meds most often involved with ADEs. Monitoring of anti-coagulants should be regular and frequent to ensure they are having the desired effect.

经历药物不良反应的患者的平均住院总费用比未经历者高出50%。皮质类固醇、血液稀释剂和抗癌药物是最常与药物不良反应相关的药物。对抗凝剂的监测应该定期且频繁，以确保其产生预期效果。