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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