Table 3.

Frequency of HEp-2 IFA patterns in 259 sequential patients with systemic lupus erythematosus (23).

Pattern	Frequency	Pattern	Frequency
Nuclear homogeneous (AC-1)	29.3%	Nuclear envelope (AC-11/AC-12)	0.4%
Nuclear dense fine speckled (AC-2)	0.4%	CENP-F-like (AC-14)	0.4%
Centromere (AC-3)	1.2%	Cytoplasmic reticular (AC-21)	1.2%
Nuclear fine speckled (AC-4)	28.6%	Mitotic spindle fibers (AC-25)	1.2%
Nuclear coarse speckled (AC-5)	14.7%	Cytoplasmic Golgi-like (AC-22)	0.4%
Nucleolar (AC-8/AC-9/AC-10)	0.8%	Cytoplasmic dense fine speckled (AC-20)	0.4%
Multiple patterns	21.2%

HEp-2 IFA: indirect immunofluorescence on HEp-2 cells; CENP-F: centromere protein F.