Association of Chemotherapy With Survival in Elderly Patients With Multiple Comorbidities and Estrogen Receptor–Positive, Node-Positive Breast Cancer

US cohort study reported an overall survival benefit (after adjustment for potential confounding factors )in 350 elderly patients after receipt of chemotherapy vs 1,242 matched controls who didn’t receive chemotherapy. (hazard ratio, 0.67; 95% CI, 0.48-0.93; P = 0.02).


JAMA Oncology