TNFAIP3 Gene Polymorphisms in Three Common Autoimmune Diseases: Systemic Lupus Erythematosus, Rheumatoid Arthritis, and Primary Sjogren Syndrome—Association with Disease Susceptibility and Clinical Phenotypes in Italian Patients

Table 3

Association between SLE phenotypes and rs6920220 polymorphism.

	GG	GA+AA		OR
Without pericarditis	176	70	0.007	2.25 (1.24-4.1)
With pericarditis	29	26
Without pleurisy	151	64	0.033	2.12 (1.05-4.28)
With pleurisy	20	18
Without nephritis	153	52	0.0004	2.48 (1.49-4.15)
With nephritis	51	43
Without thrombocytopenia	135	77	0.017	0.36 (0.15-0.85)
With thrombocytopenia	34	7
Normal C4	76	55	0.012	0.50 (0.29-0.86)
Decreased C4	85	31
Normal C3	66	48	0.026	0.55 (0.32-0.93)
Decreased C3	95	38

OR: odds ratio.