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Table 2 Comparison of prognosis between RF-positive patients and RF-negative patients with AAV

From: Rheumatoid factor is correlated with disease activity and inflammatory markers in antineutrophil cytoplasmic antibody-associated vasculitis

 

RF-positive patients (n = 29)

RF-negative patients (n = 18)

P-value

Initial dose of PSL, mg

40 (30-50)

30 (30-40)

0.07

Immunosuppressive agent usage

 Induction therapy, no (%)

10 (34)

4 (22)

0.52

  IVCY, no (%)

5 (17)

0 (0)

0.14

  POCY, no (%)

5 (17)

3 (17)

1

 Maintenance therapy, no (%)

12 (41)

7 (39)

1

Recurrence, no (%)

3 (10)

4 (22)

0.40

Dialysis, no (%)

4 (14)

1 (6)

0.64

Mechanical ventilation, no (%)

4 (14)

0 (0)

0.28

Dead, no (%)

3 (10)

0 (0)

0.28

  1. Statistical analyses were performed using Fisher’s exact test to compare the frequencies
  2. RF rheumatoid factor, PSL prednisolone, IVCY intermittent pulse intravenous cyclophosphamide therapy, POCY oral cyclophosphamide therapy