Number of patients with a decrease in hemoglobin of ��2 and ��4 g/dL from baseline for adults and children in the intent to treat (safety) population.

Number of patients with a decrease in hemoglobin of ��2 and ��4 g/dL from baseline for adults and children in the intent to treat (safety) population.意向治疗（intent to treat）安全性人群中，成人与儿童患者的血红蛋白（hemoglobin）较基线（baseline）下降≥2 g/dL及≥4 g/dL的人数。