Methods The Red Cell Deformability (RCD)and the levels of the blood plasma SOD and MDA in 68 patients with presbycusis and in 50 healthy old people were measured.

• 方法测定68例老年性耳聋病人和50例健康老年人的血浆超氧化物歧化酶(SOD)和脂质过氧化产物丙二醛(MDA)的水平及血液红细胞变形性。