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Table 1 Clinical and laboratory features of 51 patients with GBS

From: Clinical features of Guillain–Barré syndrome patients with elevated serum creatine kinase levels

 GBS patients with elevated CK levels
(n = 14)
GBS patients with normal CK levels
(n = 37)
P-value
Age, years, mean ± SD41.2 ± 10.247.7 ± 21.1NS
Males, n (%)12 (86)19 (51)0.029
Antecedent infection, n (%)13 (93)22 (59)0.039
 Gastroenteritis, n (%)5 (35)14 (38)NS
 Upper respiratory tract infection, n (%)8 (57)8 (21)0.021
Clinical symptoms
 Hypoesthesia, n (%)1 (7)15 (41)0.039
 Cranial nerve involvement, n (%)2 (14)19 (51)0.025
  Ophthalmoparesis1 (7)7 (19)NS
  Facial palsy1 (7)10 (27)NS
  Oropharyngeal palsy2 (14)17 (46)NS
 Urinary retention, n (%)0 (0)12 (32)0.022
 Preserved tendon reflexes, n (%)9 (64)16 (43)NS
Anti-GM1 antibody, n (%)8/12 (67)8/32 (25)0.016
Hughes grade at peakNS
 11 (7)3 (8) 
 27 (50)13 (35) 
 32 (14)4 (11) 
 43 (21)13 (35) 
 51 (7)3 (8) 
 60 (0)1 (3) 
  1. Abbreviations: GBS Guillain–Barré syndrome, CK Creatine kinase, NS Not significant