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. 2022 Apr 16;74(8):258–264. [Article in Spanish] doi: 10.33588/rn.7408.2021437

Table III.

Diagnostic characteristics for Guillain-Barré syndrome patients.

Neurological characteristics at admission n (%)
Normal strength 5 (2)

Unilateral limb weakness 0 (0)

Weakness in arms and legs 235 (94.7)

Weakness in legs only 5 (2)

Weakness in arms only 3 (1.2)

Severity of weakness (MRC sum score), mean ± SD 30.3 ± 15.5

Decreased deep tendon reflexes 233 (94)

Normal tendon reflexes in affected arms 9 (3.6)

Normal tendon reflexes in affected legs 6 (2.4)

Duration of progressive phase Number of days between onset of weakness and admission 5 (1-30)

Number of days between onset of weakness and nadir 4 (1-24)

Neurological symptom at nadir Weakness in arms and legs 239 (96.3)

Weakness in legs only 3 (1.2)

Weakness in arms only 1 (0.4)

Decreased deep tendon reflex 242 (97.6)

Normal tendon reflex in weak limbs 6 (2.4)

Severity of weakness (MRC sum score) 28.5 ± 16.5

Fluctuations in clinical course Monophasic course 242 (97.5)

Treatment related fluctuations within 8 weeks after onset of weakness 6/141 (4.1)

Cerebrospinal fluid examination (n = 182) Cell count < 5µL 158 (86.8)

Cell count between 5-10 µL 15 (8.2)

Cell count between 10-30µL 4 (2.2)

Cell count between 30-50 µL 2 (1)

Cell count between > 50 µL 3 (1.6)

Elevated protein concentration > 45 mg/dL 100 (54.9)

Nerve conduction study (n = 229) Demyelinating subtype 105 (45.8)

Axonal subtype 102 (44.5)

Inexcitable 10 (4.4)

Equivocal 9 (3.9)

Normal 3 (1.3)

MRC: Medical Research Council; SD: standard deviation.