Association of Testosterone Levels With Anemia in Older Men

Importance

In one-third of older men with anemia, no recognized cause can be found.

Objective

To determine if testosterone treatment of men 65 years or older with unequivocally low testosterone levels and unexplained anemia would increase their hemoglobin concentration.

Design, Setting, and Participants

A double-blinded, placebo-controlled trial with treatment allocation by minimization using 788 men 65 years or older...