Table 1 Characteristics of primary and secondary MN patients at the time of renal biopsy and treatment response.

From: Prevalence of neural epidermal growth factor-like 1- and exostosin 1/exostosin 2-associated membranous nephropathy: a single-center retrospective study in Japan

Characteristics

Primary

Secondary

Number of patients

69

35

Male; number (%)

40 (58.0)

16 (45.7)

Age, years; mean

60.2 ± 13.6

52.0 ± 15.8*

Proteinuria (g/day)

3.7 ± 2.5

2.5 ± 1.8#1*

Serum creatinine (mg/dl)

0.9 ± 0.3

0.8 ± 0.5

Serum albumin (g/dl)

2.6 ± 0.8

2.9 ± 0.7*

% of IgG4 positivity by IHC

59.4*

5.7

Immunosuppressive therapy number (%)

Prednisolone

31 (44.9)

10 (28.6)

Prednisolone + Cyclosporine

13 (19.4)

0

Prednisolone + Azathioprine

1 (1.5)

1 (2.7)

Prednisolone + Cyclophosphamide

0

1 (2.7)

Prednisolone + Mizoribine

1 (1.5)

1 (2.7)

Prednisolone + Tacrolimus

0

1 (2.7)

Prednisolone + Mycophenolate mofetil

0

3 (8.1)

Total number (%)

46 (66.7)

17 (48.6)

Clinical course

6 months

 Proteinuria (g/day)

1.9 ± 2.7

2.5 ± 3.3

 Serum creatinine (mg/dl)

1.0 ± 0.5

0.8 ± 0.3

 Serum albumin (g/dl)

3.3 ± 0.8

3.2 ± 0.7

 % of complete remission (number)

24.5 (12)

33.3 (6)

 % of composite remission (number)

57.1 (28)

61.1 (11)

1 year

 Proteinuria (g/day)

1.5 ± 2.4

1.6 ± 2.6

 Serum creatinine (mg/dl)

1.1 ± 0.9

0.9 ± 0.4

 Serum albumin (g/dl)

3.5 ± 0.8

3.5 ± 0.8

 % of complete remission (number)

44.9 (22)

47.1 (8)

 % of composite remission (number)

67.3 (33)

76.5 (13)

  1. #1; a case did not check the level of proteinuria before renal biopsy. *p < 0.05.