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Table 1 Patient characteristics and treatments

From: Different responses to treatment across classified diseases and severities in Japanese patients with microscopic polyangiitis and granulomatosis with polyangiitis: a nationwide prospective inception cohort study

 

MPA

GPA

(n = 78)

(n = 33)

Age (years), mean ± SD

71 ± 10

64 ± 13

Sex (male:female)

35:43

12:21

Disease severity, n

Limited

0

4

Early systemic

15

5

General

47

18

Severe

16

6

MPO-ANCA, n (%)

76 (97)

18 (55)

PR3-ANCA, n (%)

2 (3)

15 (46)

Serum creatinine (mg/dl), mean ± SD

2.46 ± 2.18

1.51 ± 1.32

BVAS, mean ± SD

18 ± 7

20 ± 7

Initial treatments (within 3 weeks)

Maximum daily dose of PSL (mg/day), mean ± SD

41 ± 15

40 ± 15

mPSL pulse use, n (%)

34 (44)

13 (39)

Cyclophosphamide, n (%)

24 (31)

20 (60)

Oral:intravenous

3:21

7:13

Cumulative dose for 6 months (g), mean ± SD

2.6 ± 2.8

4.3 ± 3.6

Methotrexate, n (%)

0 (0)

2 (6)

Azathioprine, n (%)

0 (0)

0 (0)

Treatments at 6 months

 

n = 62

n = 30

Minimum daily dose of PSL (mg/day), mean ± SD

12 ± 5

13 ± 6

Cyclophosphamide, n

20

16

Methotrexate, n

0

3

Azathioprine, n

10

8

Treatments at 12 months

 

n = 56

n = 28

Minimum daily dose of PSL (mg/day), mean ± SD

9 ± 5

9 ± 6

Cyclophosphamide, n

9

7

Methotrexate, n

0

4

Azathioprine, n

11

11

Treatments at 24 months

 

n = 52

n = 28

Minimum daily dose of PSL (mg/day), mean ± SD

7 ± 5

6 ± 3

Cyclophosphamide, n

4

5

Methotrexate, n

0

4

Azathioprine, n

10

5

  1. ANCA antineutrophil cytoplasmic antibody, BVAS Birmingham Vasculitis Activity Score, GPA granulomatosis with polyangiitis, MPA microscopic polyangiitis, MPO myeloperoxidase, mPSL methylprednisolone, PR3 proteinase 3, PSL prednisolone, SD standard deviation