What hemoglobin level prompts you to start erythropoietin in a patient with low-risk MDS?

Depending on the patient's symptoms and clinical context, I will either start an ESA when the patient starts becoming transfusion-dependent (Hgb < 8 g/dL) or, if the patient is not transfusion-dependent, but still symptomatic from anemia, I will start the ESA when their Hgb is < 10 g/dL. Prior to in...