Table 3 Comparison of NYHA, EF, blood pressure, and treatment among the studied groups regarding the presence and absence of AKI with low or high BUN/Cr

NYHA class D1

 1

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

P = 0.135

P³ = 0.034

 2

0 (0.0%)

0 (0.0%)

1(7.1%)

0 (0.0%)

 3

11 (44.0%)

1 (20.0%)

2 (14.3%)

2 (12.5%)

 4

14 (56.0%)

4 (80.0%)

11 (78.6%)

14 (87.5%)

NYHA class D2

 1

1 (4.0%)

0 (0.0%)

2 (14.3%)

0 (0.0%)

P = 0.004

P³ = 0.001

P⁶ = 0.017

 2

13 (52.0%)

2 (40.0%)

5 (35.7%)

1 (6.2%)

 3

10 (40.0%)

3 (60.0%)

6 (42.9%)

7 (43.8%)

 4

1 (4.0%)

0 (0.0%)

1 (7.1%)

8 (50.0%)

NYHA class D3

 1

6 (24.0%)

0 (0.0%)

4 (28.7%)

1 (6.2%)

P = 0.005

P³ ≤ 0.001

P⁶ = 0.025

 2

17 (68.0%)

4 (80.0%)

8 (57.1%)

4 (25.0%)

 3

2 (8.0%)

1 (20.0%)

1 (7.1%)

6 (37.5%)

 4

0 (0.0%)

0 (0.0%)

1 (7.1%)

5 (31.3%)

SBP*

120.0 (60–210)

100.0 (80–140)

115.0 (70–200)

80.0 (60–160)

P = 0.332

P³ = 0.001

P⁶ = 0.010

DBP*

70.0 (30–110)

70.0 (50–90)

70.0 (40–100)

55.0 (40–100)

P = 0.362

P³ = 0.001

P⁶ = 0.004

EF*

40.0 (18–55)

40.0 (27–50)

39.5 (20–55)

38.0 (19–55)

0.988

Length of hospital stay *

4.0 (3–18)

8.0 (7–18)

8.0 (3–23)

10.5 (7–29)

P ≤ 0.001

P¹ = 0.002

P² = 0.010

P³ ≤ 0.001

ACEIS

23 (92.0%)

4 (80.0%)

5 (35.7%)

4 (25.0%)

P ≤ 0.001

P² ≤ 0.001

P³ ≤ 0.001

P⁵ = 0.027

BB

22 (88.0%)

2 (40.0%)

9 (64.3%)

7 (43.8%)

P = 0.015

P¹ = 0.014

P³ = 0.002

MRA

23 (92.0%)

3 (60.0%)

6 (42.9%)

4 (25.0%)

P ≤ 0.001

P² ≤ 0.001

P³ ≤ 0.001

Diuretics

25 (100.0%)

5 (100.0%)

13 (92.3%)

16 (100.0%)

0.342

Inotropics

3 (12.0%)

5 (100.0%)

3 (21.4%)

9 (56.2%)

P ≤ 0.001

P¹ ≤ 0.001

P³ = 0.002

P⁴ = 0.002

Vasopressors

0 (0.0%)

1 (20.0%)

3 (21.4%)

9 (56.2%)

P ≤ 0.001

P¹ ≤ 0.001

P² = 0.015

P³ ≤ 0.001