Variables

Group 1

N = 303

No (%)

Group 2

N = 18

No (%)

Z test

P value

Diabetes mellitus

118 (38.9)

3 (16.7)

3.5

0.05

Hypertension

84 (27.7)

2 (11.1)

2.3

0.1

Obstructive uropathy

18 (5.9)

1 (5.5)

0.004

0.9

Glomerulopathy

48 (15.8)

4 (22.2)

0.5

0.4

Unknown

35 (11.5)

8 (44.4)

15.8

<0.0006