Transplant outcome for patients with acquired aplastic anemia over the age of 40: has the outcome improved?

TO THE EDITOR: Age is known to be a strong negative predictor of survival in patients undergoing an allogeneic hematopoietic stem cell transplantation (HSCT) for severe acquired aplastic anemia (SAA), with higher mortality in patients >40 years of age,[1][1] and this has been confirmed in several