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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Neurol Clin. 2013 Feb 19;31(2):491–510. doi: 10.1016/j.ncl.2013.01.005

Table 7.

Poor Prognostic Factors in GBS

  1. Older age (>50–60)

  2. Rapid onset prior to presentation (<7 days)

  3. Ventilator dependency

  4. Severely reduced distal CMAP amplitudes (<20% LLN)

  5. Preceding infection with CMV

  6. Preceding diarrheal illness / C. Jejuni

  7. Erasmus GBS outcome score at 2 weeks ≥ 5 (reference 80):

    1. Ventilator dependence, or

    2. Bed/chairbound and elderly (>60), or

    3. Bed/chairbound and preceding diarrheal illness