ȫ īǴ , 4 8,070 ӻŸƾ , 75~84 ȯ ȯ 5%顦85 ̻ ȯڴ 12.5%ۿ̳ պ 75 ̻ ȯڵ鵵 ȯ Ÿƾ ϴ ȿ ִٴ Դ. (Benefits and Risks Associated With Statin Therapy for Primary Prevention in Old and Very Old Adults: Real-World Evidence From a Target Trial Emulation Study, ʰ Ÿƾ õ : ǥ ӻ ) м ̱ȸ(Annals of Internal Medicine) ֱ ƴ.