GBS预后不好因素

• Older age 年龄较大
  
• Rapid onset (less than seven days) 发病快小于7天
  
• Severe muscle weakness on admission 住院时有严重肌肉无力
  
• Need for ventilatory support 需要上呼吸机
  
• An average distal motor response amplitude reduction to <20 percent of normal 末端运动波幅低于正常20%南京脑科医院神经内科陶拓宇
  
• Preceding diarrheal illness 之前有腹泻病史