Endpoints
anemia
ADVERSE EVENTS, SECONDARY, ANEMIA
The primary endpoint is the rate of transfusion within 3 weeks after surgery. The secondary endpoints include transfusion rate within 3 weeks after radiation and chemotherapy, and the comparison of hemoglobin levels, frequency of anemia and blood transfusion before adjuvant therapy, frequency of delayed adjuvant therapy due to anemia, cost-effectiveness, quality of life, and adverse events after iron supplement treatment or blood transfusion.