Table A2.
Coding manual.
| Variables | Coding Mechanisms |
|---|---|
| Variant of GBS | 1 = AIDP, 2 = AMSAN, 3 = AMAN, 4 = MFS, 5 = PCB, 6 = FD, 7 = AIDP and MFS, 8 = FD and AIDP, 9 = AMAN and AIDP, 10 = AMSAN and AIDP, 11 = AMSAN and MFS |
| Gender | 1 = Female, 2 = Male |
| Age category | 1 = 0–18, 2 = 19–39, 3 = 40–59, 4 = 60+ |
| Mortality | 1 = Survived, 2 = Expired, 3 = Hospitalized |
| Reliance on MV | 1 = Yes, 2 = No |
| ICU admission | 1 = Yes, 2 = No |
| CSF COVID-19 detection | 1 = Yes, 2 = No |
| CSF protein | 1 = Normal, 2 = High, 3 = Low |
| CSF albumino-cytological dissociation | 1 = Absent, 2 = Present |
| CSF WBC count | 1 = Normal, 2 = Abnormal |
| CSF RBC count | 1 = Normal, 2 = Abnormal |
| CSF glucose | 1 = Normal, 2 = Abnormal |
| Serum anti-ganglioside antibodies present | 1 = Yes, 2 = No |
| Abnormal plantar response | 1 = Absent, 2 = Present |
| Aphasia/ dysarthria | 1 = Absent, 2 = Present |
| Ataxia | 1 = Absent, 2 = Present |
| Dysphagia | 1 = Absent, 2 = Present |
| Facial Palsy/weakness/plegia | 1 = Absent, 2 = Present |
| Fecal incontinence | 1 = Absent, 2 = Present |
| Hypogeusia/ ageusia | 1 = Absent, 2 = Present |
| Hyporeflexia/ areflexia | 1 = Absent, 2 = Present |
| Hyposmia/ anosmia | 1 = Absent, 2 = Present |
| Impaired somatic sensation | 1 = Absent, 2 = Present |
| Impaired CMAP | 1 = Absent, 2 = Present |
| Impaired SNAP | 1 = Absent, 2 = Present |
| Lumbar pain | 1 = Absent, 2 = Present |
| Myalgia | 1 = Absent, 2 = Present |
| Neck-flexion weakness | 1 = Absent, 2 = Present |
| Urinary difficulties | 1 = Absent, 2 = Present |
| Upper limbs affected | 1 = Absent, 2 = Present |
| Lower limbs affected | 1 = Absent, 2 = Present |
| Upper limb plegia | 1 = Absent, 2 = Present |
| Lower limb plegia | 1 = Absent, 2 = Present |
| Upper limb weakness | 1 = Absent, 2 = Present |
| Lower limb weakness | 1 = Absent, 2 = Present |
| Upper limb paresthesia | 1 = Absent, 2 = Present |
| Lower limb paresthesia | 1 = Absent, 2 = Present |
GBS: Guillain–Barré syndrome; AIDP: Acute inflammatory demyelinating polyneuropathy; AMAN: Acute motor axonal neuropathy; AMSAN: Acute motor-sensory axonal neuropathy; MFS: Miller-Fisher syndrome; FD: Facial diplegia; PCB: Pharyngo-cervico-brachial; COVID-19: Coronavirus 2019; ICU: Intensive care unit; MV: Mechanical ventilation; CSF: Cerebrospinal fluid; WBC: White blood cell; RBC: Red blood cell; CMAP: Compound muscle action potential, SNAP: Sensory nerve action potential.