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. Author manuscript; available in PMC: 2009 Oct 28.

Published in final edited form as: Lupus. 2009;18(11):1000–1005. doi: 10.1177/0961203309104315

Table1.

Distribution of independent cases and controls by history of hysterectomy.

	History of hysterectomy^*		Odds Ratio (95% CI)	P value
	Yes	No
European-American
Cases	267	241	3.25 (2.41–4.38)	p<1.00E-06
Controls	88	258	3.25 (2.41–4.38)	p<1.00E-06
Family members^†	431	356	3.54 (2.68–4.69)	p<1.00E-06
intermediate^††	108	66	4.80 (3.24–7.08)	p<1.00E-06
African-American
Cases	136	241	2.42 (1.48–3.95)	3.00E-04
Controls	24	103	2.42 (1.48–3.95)	3.00E-04
Family members	171	187	3.92 (2.40–6.40)	p<1.00E-06
intermediate	54	43	5.38 (2.96–9.80)	p<1.00E-06

^*

Excludes women <20 years of age.

^†

One healthy family member from each pedigree from LFRR collection

^††

intermediate: subjects that failed to meet the 4 criteria for SLE diagnosis