Genotypes	All eRA (n=122)	ACCP+eRA (n=74)	ACCP-eRA (n=48)	Controls (n=307)
677 C/T
CC	55 (45,1%)	37 (50,0%)	18 (37,5%)	159 (51,8%)
CT	50 (41,0%)	31 (41,9%)	19 (39,6%)	120 (39,1%)
TT	17 (13,9%)	6 (8,1%)	11 (22, 9%)	28 (9,1%)