TABLE 2.

Preliminary diagnosis for patients with different exposure histories

Preliminary diagnosis	N
Patient learned of exposure history upon visiting a doctor (n = 32)
Peripheral neuropathy	23
Spinal cord degeneration	3
Toxic encephalopathy	3
Myelopathy	1
Muscle weakness to be investigated	1
Limb numbness to be investigated	1
Exposure history revealed after patient was admitted to the hospital (n = 29)
Peripheral neuropathy	17
Myelopathy	5
Guillain–Barré syndrome	4
Muscle weakness to be investigated	3