Relationships among Antibodies against Extractable Nuclear Antigens, Antinuclear Antibodies, and Autoimmune Diseases in a Brazilian Public Hospital

Table 2

Titers of ANA tests and clinical diagnosis of autoimmune diseases in anti-ENA-negative patients.

ANA Titles	AD Diagnosis
	N	Y
1:80 – 1:160	3	3
1:160- 1:320	10	24
1:640 - >1:640	2	10

Y = presence of autoimmune disease; N = no diagnosis of autoimmune disease.