End point	IVIg/methylprednisolone group (n = 112)	IVIg/placebo group (n = 113)	P value
Ability to walk independently after eight weeks	78 (70%)	68 (60%)	.14
Median (IQR) number of days taken to walk independently (GBS disability score of 2)	28 (14 to 154)	56 (14 to 154)	.37
Median (IQR) number of days taken to reach GBS disability score of 1	21 (7 to 42)	21 (14 to 98)	.15
Median (95% CI) GBS disability score at six months	3 (2 to 3)	3 (2 to 3)	.41
Median (95% CI) GBS disability score at one year	3 (3 to 3)	3 (3 to 3)	.37
Need for artificial respiration	24 (21%)	26 (23%)	.77
Median (95% CI) number of days of artificial respiration	30 (16 to 52)	26 (13 to 43)	.51