Table 2.

Unadjusted and adjusted OR for an improved GBS disability score at 4 and 26 weeks

	N	Unadjusted OR (95% CI)	P value	N	Adjusted OR* (95% CI)	P value
Week 4
Treatment
Supportive care	34	1.0 (ref.)		27	1.0 (ref.)
IVIg	129	0.69 (0.33 to 1.43)	0.32	98	1.62 (0.63 to 4.13)	0.32
Week 26
Treatment
Supportive care	30	1.0 (ref.)		25	1.0 (ref.)
IVIg	121	0.75 (0.35 to 1.62)	0.47	97	0.65 (0.24 to 1.78)	0.41

*Adjusted for: age, ataxia at entry, autonomic dysfunction at entry, diarrhoea, region, GBS disability score at entry, MRC sum score at entry, axonal subtype, improvement on the MRC sum score.

GBS, Guillain-Barré syndrome; IVIg, intravenous immunoglobulin; MRC, Medical Research Council.