Supplementary Table 1.

Absolute and relative frequencies of the Brighton Collaboration criteria for GBS as identified in either the VaeTM output or the MedDRA PTs.

Brighton Collaboration GBS criteria	Absolute Frequency	Relative Frequency
	VaeTM	MedDRA	VaeTM	MedDRA
Weakness of limbs, bilateral	262	786	131	399
Decreased or absent, bilateral deep tendon reflexes	139	282	107	235
Electrophysiologic findings consistent with GBS	N/A	310	N/A	213
CSF protein level above laboratory normal value	N/A	323	N/A	227
Weakness of limbs, flacid	141	213	110	158
GBS synonym terms	70	53	63	53
Identified alternative diagnosis of weakness other than GBS	9	70	8	64
Illness pattern, monophasic	N/A	N/A	N/A	N/A
CSF not collected or results not available*	No synonyms
CSF total white cell <50 cells/mm3*
Interval between onset and nadir of weakness between 12h to 28d followed by subsequent clinical plateau*

*No synonyms were found for those criteria and no related information appeared in either the VaeTM features or the MedDRA Preferred Terms.

N/A: Not Available in either the VaeTM features or the MedDRA Preferred Terms.