. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: Arthritis Rheum. 2011 Mar;63(3):640–644. doi: 10.1002/art.30160

Table 1.

Prevalence of Microchimerism with the SE in Healthy Women and Women with RA

Any SE	Study subjects	Number of Observations	Prevalence N (%)	Adjusted^* OR (95% CI)	p-value
	Healthy women	68	7 (10)	1.0	–
	Women with RA	104	30 (29)	4.1 (1.6 – 10.0)	0.003
SE type
QKRAA	Healthy women	34	1 (3)	1.0	–
	Women with RA	52	9 (17)	11.5 (1.3-102.5)	0.03
QRRAA	Healthy women	34	6 (18)	1.0	–
	Women with RA	52	21 (40)	3.1 (1.1-9.2)	0.04

Adjusted for age at draw date.