VARIABLES

TOTAL (%) N = 76

65 - 69 years (%)

n = 38

70 - 79 years (%)

n = 27

≥80 years (%) n = 11

p

Type of AKI

0.9

Community-acquired

66 (87)

33 (87)

23 (82)

10 (91)

Hospital-acquired

10 (13)

5 (13)

4 (18)

1 (9)

Stage of AKI

0.45

Stage 1

26 (34.2)

16 (42.2)

8 (29.6)

2 (18.2)

Stage 2

22 (29)

8 (21)

10 (37.1)

4 (36.3)

Stage 3

28 (36.8)

14 (36.8)

9 (33.3)

5 (45.5)

Supposed mechanism

0.39

Pre-renal AKI

44 (58)

18 (47.4)

18 (66.7)

8 (72.7)

0.17

Post-renal AKI*

2 (2.6)

1 (2.6)

1 (3.7)

0

0.84

Renal AKI

30 (39.4)

19 (50)

8 (29.6)

3 (27.3)

0.17

Type of renal AKI (n = 30)

Acute tubular necrosis

13 (17.1)

8 (21)

4 (14.8)

1 (9.1)

0.6

Vascular AKI

5 (6.5)

3 (8)

-

2 (18.2)

0.11

Unknown

12 (15.8)

8 (21)

4 (14.8)

-

0.24

Etiologies of AKI

Hypovolemia*

32 (42.1)

17 (44.7)

9 (33.3)

6 (54.6)

0.7

Sepsis**

22 (29)

11 (29)

10 (37)

1 (9)

0.23

Toxic***

11 (14.5)

5 (13.1)

6 (21.4)

-

0.2

Malignant Hypertension

3 (3.9)

1 (2.6)

-

2 (18.2)

0.028

Cancer****

2 (2.6)

1 (2.6)

1 (3.7)

-

0.84

Unknown

6 (7.9)

3 (7.9)

1 (3.7)

2 (18.2)

0.3