Decrease < 25% (n = 67)

Decrease > 25% (n = 54)

p

Male gender

49 (73.13)

36 (66.67)

0.48

Median age > 60 years

27 (40.30)

27 (50)

0.26

Antecedent of high blood pressure

12 (17.91)

12 (22.23)

0.06

Urological antecedents

Hematuria

10 (14.92)

09 (16.67)

0.69

Lower back pain

19 (28.36)

03 (5.56)

0.01

Renal colic

5 (7.46)

01 (1.49)

0.56

Acute urine retention

5 (7.46)

02 (3.70)

0.89

Dysuria

16 (23.88)

21 (38.89)

0.07

Pollakiuria

09 (13.43)

15 (27.78)

0.06

Nephrological antecedents

Oliguria

2 (2.98)

9 (16.67)

0.01

Evolution of nephropathy > 3 months

48 (71.64)

21 (38.89)

0.03

Tumor cause

41 (61.20)

17 (31.48)

0.01