RESULTS	The scores in both QOL scales decreased at day 14 in the IVIG and PLEX groups , without significant difference between groups ( QOL-15 : IVIG -5.7 8.5 , PLEX : -7.0 7.6 , p = 0.52 ; QOL-60 : IVIG -13.3 16.9 , PLEX -18.5 22.0 , p = 0.41 ) .\