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Table 1 Baseline patient characteristics

From: Long-term outcome of patients with ANCA-associated vasculitis treated with plasma exchange: a retrospective, single-centre study

Patient characteristics (n = 94) Data
Male gender, n (%) 44 (47 %)
Age, years, median (min-max) 60 (21–90)
ANCA type
 PR3, n (%) 47 (50 %)
 MPO, n (%) 37 (39 %)
 Negative, n (%) 1 (1 %)
 Double-positive for ANCA and anti-GBM, n (%) 8 (9 %)
Reason for PLEX
 Severe renal involvement without AH, n (%) 49 (52 %)
 AH without severe renal involvement, n (%) 9 (10 %)
 Both severe renal involvement and AH, n (%) 33 (35 %)
 Other, n (%) 3 (3 %)
Serum creatinine in non-dialysed, median (min-max) 369 (40–693)
Patients on dialysis, n (%) 55 (59 %)
Active organ involvement
 Kidney, n (%) 91 (97 %)
 Lungs, n (%) 61 (65 %)
 ENT, n (%) 25 (27 %)
 Eyes, n (%) 5 (5 %)
 Skin, n (%) 9 (10 %)
 Peripheral nervous system, n (%) 7 (7 %)
 Other, n (%) 3 (3 %)
  1. Abbreviations: AH alveolar haemorrhage, ANCA anti-neutrophil cytoplasm antibodies, ENT ear, nose and throat, GBM glomerular basement membrane, max maximum, min minimum, MPO myeloperoxidase, PLEX plasma exchange, PR3 proteinase 3