Original Approach for Automated Quantification of Antinuclear Autoantibodies by Indirect Immunofluorescence

Table 1

Characteristics of patients from the routine and SLE cohorts.

	ANA	𝑛	Men	Women	Mean age (years)	Age std. (years)	Range (years)
Routine cohort; (𝑛=237)	Negative	103	50	53	45.7	21.4	3–90
	Positive	134	43	91	52.3	18.7	8–89
	Titer = 100	49	24	25	56.4	18.7	11–50
	Titer ≥ 200	85	19	66	49.9	18.5	8–89
SLE cohort; (𝑛=25)	Negative	1	0	1	n/a	n/a	n/a
	Positive	24	7	17	36.9	15.6	17–74

n/a: nonapplicable.