Automated interpretation of ANCA patterns - a new approach in the serology of ANCA-associated vasculitis

Table 1 Patient characteristics of the 'test set' comprising 342 serum samples.

Diagnosis	n (%)	age	gender f/m
GPA	59 (17.3)	21 - 81	36/23
EGPA	40 (11.7)	21 - 70	20/20
MPA	20 (5.8)	17 - 80	13/7
SLE	40 (11.7)	20 - 72	31/9
RA	30 (8.8)	40 - 81	23/7
RA and rheumatoid vasculitis	10 (2.9)	44 - 67	5/5
Cryoglobulinaemic vasculitis	10 (2.9)	43 - 78	7/3
Systemic sclerosis	38 (11.1)	35 - 84	27/11
Infectious diseases	51 (14.9)	5 - 86	46/5
Healthy controls	44 (12.9)	23 - 71	28/16

Patients with GPA consist of cases with generalized and localized GPA demonstrating inactive as well as active disease. Patients with EGPA cover cases with active and inactive disease. EGPA, eosinophilic granulomatosis with polyangiitis (Churg-Strauss Syndrome); GPA, granulomatosis with polyangiitis (Wegener's); f, female; m, male; MPA, microscopic polyangiitis; RA, rheumatoid arthritis; SLE, systemic lupus erythematosus.

ISSN: 1478-6362