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Table 1 Baseline characteristics

From: Nailfold videocapillaroscopy in antineutrophil cytoplasmic antibody–associated vasculitis

Characteristic

AAV (n = 33)

Control (n = 21)

Age, median (IQR), years

59 (48, 67)

50 (39, 56)

Ethnicity, no. (%)

 Hispanic or Latino

1 (3.0)

0 (0.0)

 Not Hispanic or Latino

31 (93.9)

21 (100.0)

 Unknown or not reported

1 (3.0)

0 (0.0)

Sex, no. (%)

 Female

17 (51.5)

14 (66.7)

History of smoking, no. (%)

11 (33.3)

7 (33.3)

Diagnosis, no. (%)

 EGPA

7 (21.2)

 

 GPA

19 (57.6)

 

 MPA

7 (21.2)

 

ANCA positivity, no. (%)

27 (81.8)

 

 c-ANCA/PR3

15 (45.5)

 

 p-ANCA/MPO

9 (27.3)

 

 p-ANCA/PR3

2 (6.1)

 

 MPO

1 (3.0)

 
  1. Abbreviations: AAV antineutrophil cytoplasmic antibody–associated vasculitis, ANCA antineutrophil cytoplasmic antibodies, c-ANCA cytoplasmic antineutrophil cytoplasmic antibodies, EGPA eosinophilic granulomatosis with polyangiitis, GPA granulomatosis with polyangiitis, MPA microscopic polyangiitis, MPO myeloperoxidase, p-ANCA perinuclear antineutrophil cytoplasmic antibodies, PR3 proteinase 3