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Abstract Background This study was designed to identify factors that influence outcomes in a large group of well-defined Guillain–Barré syndrome (GBS) patients with a 3-month follow-up period. Sixty-two cases of GBS with a mean age of 37.15 ± 17.60 years (33 males and 29 females) were recruited in the first 2 weeks after onset. Clinical history, examination, and a variety of rating scales including Medial Research Council sum score (MRC), Erasmus Guillain-Barré respiratory insufficiency score (EGRIS), at admission and 10 days later were performed. Follow-up investigations at 3 months included the Hughes Disability Scale (HDS), and Overall Neuropathy Limitation Scale (ONLS). Results 64.5% of participants had cranial nerve deficits, 45% had neck muscle weakness, 30.6% had dysautonomia, and 8.1% were mechanically ventilated. C-reactive protein was elevated in 38.7%, and hyponatremia was recorded in 30.6% of patients. Older age, antecedent events particularly diarrhea, neck muscles weakness, low MRC sum score, impaired cough reflex, dysautonomia, and hyponatremia, were all significantly associated with poor outcomes at 3 months using HDS and ONLS. Regression analysis with dependent variables of HDS outcome showed that the presence of an antecedent event particularly diarrhea, neck muscle weakness, hyponatremia and the presence cytoalbuminous dissociation of CSF at onset, and low MRC sum score at 10th day after treatment, were predictors of poor outcome. Conclusion Clinical and laboratory predictors of poor outcome were older age, the presence of an antecedent event particularly diarrhea, low MRC sum score at the 10th day, elevated CRP, hyponatremia and the presence cytoalbuminous dissociation. |
