Antineutrophil Cytoplasmic Antibodies Testing in a Large Cohort of Unselected Greek Patients

Table 2

Relationship between IIF pattern and ELISA test results.

IIF results		Anti-MPO positive	Anti-PR3 positive	Anti-MPO/anti-PR3 negative	Total (N)
p-ANCA	N	66	4	339	409
	%	16.14	0.98	82.89
c-ANCA	N	0	41	19	60
	%	0.00	68.33	31.67
x-ANCA	N	10	8	157	175
	%	5.71	4.57	89.71
Negative	N	4	13	10142	10159
	%	0.04	0.13	99.83
Total	N	80	66	10657	10803
	%	0.74	0.61	98.65