Table 3.

Age of onset of RA in relation to genotypes

SNP	Age of onset	p	SNP	Age of onset	p
	Mean (SD)			Mean (SD)
IL6-174			NOS2a 608
C/C	48 (11)	0.16	G/G	47 (13)	0.10
C/G	50 (15)		G/A	51 (15)
G/G	47 (15)		A/A	49 (17)
IL8 781			PARP 762
C/C	44 (13)	< 0.0001	T/T	48 (14)	0.44
C/T	50 (14)		T/C	48 (15)
T/T	52 (14)		C/C	53 (13)
PAI1 4/5G			IL4-524
5G/5G	46 (15)	0.22	C/C	48 (14)	0.48
5G/4G	49 (13)		C/T	50 (14)
4G/4G	49 (14)		T/T	49 (16)
TNFA-863			C1INH 480
C/C	48 (14)	0.40	G/G	48 (14)	0.41
C/A	48 (13)		G/A	48 (15)
A/A	55 (20)		A/A	52 (12)
TNFA-857			Il10-1082
C/C	49 (14)	0.75	G/G	49 (14)	0.90
C/T	48 (14)		G/A	48 (14)
T/T	38 (-) (n = 1)		A/A	148 (14)
TNFA-376			IL10-819
G/G	48 (14)	0.01	C/C	49 (14)	0.10
G/A	30 (14)		C/T	46 (14)
A/A			T/T	49 (14)
TNFA-308			TLR4 299
G/G	48 (14)	0.69	A/A	48 (14)	0.86
G/A	49 (14)		A/G	48 (13)
A/A	52 (14)		G/G	56 (-)(n = 1)
TNFA-238			TLR4 399
G/G	48 (14)	0.40	C/C	48 (14)	0.82
G/A	45 (15)		C/T	49 (14)
A/A			T/T	56 (-)(n = 1)
IL1B-31
C/C	47 (15)	0.84
C/T	48 (15)
T/T	48 (13)