Results: Sensory symptoms or signs were present in 32% of patients, sural sensory nerve action potential amplitudes were abnormal in 27%, and pathologic abnormalities were present in 91% of patients.

• 结果：32%25的患者存在感觉症状或体征，27%25的患者腓肠神经动作电位波幅异常，91%25的患者病理异常。