Characteristics

Treated
(n=61)

Non-treated
(n=10)

p

Age (years)

 

 

0.905#

Mean ± SD

40 ± 15

39 ± 16

 

Gender

 

 

0.718##

Male

42 (68.9%)

6 (60.0%)

 

Female

19 (31.1%)

4 (40.0%)

 

Etnia

 

 

0.149##

Caucasian

37 (63.8%)

9 (90.0%)

 

Non Caucasian

21 (36.2%)

1 (10.0%)

 

Weight (kg)

 

 

0.608#

Mean ± SD

71.6 ± 13.5

74.9 ± 19.1

 

Time (months) since symptoms onset until renal biopsy

 

 

0.406###

Median (min – max)

6.5 (1 – 108)

4.0 (1 – 36)

 

Comorbidities

 

 

>0.999####

Without coexisting diseases

52 (85.2%)

10 (100.0%)

 

Schistosomiasis

2 (3.3%)

-

 

Hypothiroidism

4 (6.6%)

-

 

Diabetes mellitus

3 (4.9%)

-

 

Hypertension

 

 

0.735##

Yes

31 (50.8%)

4 (40.0%)

 

No

30 (49.2%)

6 (60.0%)

 

Hematuria

 

 

>0.999##

Yes

47 (77.0%)

8 (80.0%)

 

No

14 (23.0%)

2 (20.0%)

 

Proteinuria

 

 

0.013##

Nephrotic

59 (96.7%)

6 (66.7%)

 

Non nephrotic

2 (3.3%)

3 (33.3%)

 

Presentation syndrome

 

 

0.034####

Nephrotic syndrome

52 (85.2%)

6 (66.7%)

 

Nephrotic proteinuria

2 (3.3%)

-

 

Non nephrotic proteinuria

2 (3.3%)

3 (33.3%)

 

Initial proteinuria (g/24h)

 

 

0.055###

Median (min - max)

6.4 (1.9 – 53.0)

4.2 (0.6 – 11.0)

 

Initial serum creatinine (mg/dl)

 

 

0.418###

Median (min - max)

1.1 (0.4 – 3.4)

0.9 (0.5 – 3.3)

 

Initial serum albumin (mg/dl)

 

 

0.181###

Median (min - max)

2.2 (0.8 – 3.8)

2.5 (2.0 – 4.7)

 

Time of follow-up (months)

 

 

0.649###

Median (min - max)

34.0 (6 – 355)

22.5 (9 – 223)

 

SD: Standard deviation; # Student’s t test; ## Fisher’s exact test; ### Mann Whitney U test; #### Generalization of Fisher’s exact test.
Table 1: Comparison of clinical, epidemiological and laboratorial characteristics of treated and non treated patients with idiopathic membranous nephropathy.