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Table 1 Demographic and clinical data at the onset of the disease

From: The impact of IgM deposits on the outcome of Nephrotic syndrome in children

 

IgM + (n = 18)

IgM – (n = 27)

p value

First manifestation

 Age, yearsa

4.51 (0.96–14.23)

4.09 (1.02–17.05)

0.926

Gender, n (%)

  

0.371

 Boys

12/18 (66.7)

14/27 (51.9)

 

 Girls

6/18 (33.3)

13/27 (48.1)

 

Clinical data, n (%)

 Hematuria

13/18 (72.2)

17/27 (63.0)

0.748

 Hypertension

7/18 (38.9)

11/27 (40.8)

1

 Decreased GFR

2/18 (11.1)

5/27 (18.5)

0.684

 Extrarenal symptoms

5/18 (27.8)

2/27 (7.4)

0.098

Primary response to steroids, n (%)

 Sensitive

10/18 (55.6)

15/27 (55.6)

1

 Dependent

2/18 (11.1)

7/27 (25.9)

0.279

 Resistant

6/18 (33.3)

5/27 (18.5)

0.304

Treatment, nb(%)

 Only steroids

3/18 (16.7)

8/27 (29.6)

0.482

 Cumulative dose of steroids

523.3 mg/kg

429.6 mg/kg

0.8

 Cyclosporine

15/18 (83.3)

18/27 (66.7)

0.308

 Mycophenolate mofetil

4/18 (22.2)

4/27 (14.8)

0.694

 Cyclophosphamide

6/18 (33.3)

9/27 (33.3)

1

 Rituximab

3/18 (16.7)

1/27 (3.7)

0.286

 Levomisole

3/18 (16.7)

4/27 (14.8)

1

Biopsy results, n (%)

  

0.049

 Minimal change disease

8/18 (44.4)

16/27 (59.3)

 

 Mesangial hypercellularity

1/18 (5.6)

6/27 (22.2)

 

 Focal segmental glomerulosclerosis

9/18 (50.0)

5/27 (18.5)

 
  1. aValues are given as median, with the range in parenthesis
  2. bTotal number of patients treated with each drug
  3. Imunofluorescence findings: out of 18 IgM positive biopsies, 11 were IgM 1+ positive (61.1%), 5 were IgM 2+ positive (27.8%) and 2 were IgM 3+ positive (11.1%). 8 (44.4%) biopsies contained other deposits: 6 had C3 deposits (33.3%), also IgA and IgG deposits were each present in 4 (22.2%) biopsies. Electron microscopy was performed for 23 biopsies. Electron dense deposits were found in 3 biopsies (33.3%), all in IgM positive group