Table 1

Cross reactivity of anti-GM1 IgG antibody with GD1b and clinical features of GBS

		Cross reactivity with GD1b		p Value^1-151		Odds ratio		95% Confidence interval
		Present^1-150 (n=6)	Absent (n=21)	p Value^1-151		Odds ratio		95% Confidence interval
Sex (male/female)	5/1	12/9	0.25
Median age (y)	47	43	0.35
Diarrhoea	2 (33%)	14 (67%)	0.16
URTI^1-152	5 (83%)	5 (24%)	0.02	16	2.1–123
Ophthalmoplegia	1 (17%)	0	0.22
Facial palsy	2 (33%)	0	0.04	24	2.5–231
Bulbar palsy	3 (50%)	0	0.01	43	5.0–367
Sensory disturbance	2 (33%)	6 (29%)	0.59
C jejuni infection	2 (33%)	18 (86%)	0.02	0.083	0.013–0.55

↵1-150 Absorption rate, 20% or more.
↵1-151 Tested by Fisher's exact test. A p value< 0.05 was considered significant.
↵1-152 Upper respiratory tract infection.