Table 1 Demographic and clinical characteristics of the study population

Age, years

62.1 [50.6–75.8]

62.1 [50.6–78.0]

62.3 [52.3–73.8]

0.65

Sex, male/female

20/11

11/5

9/6

0.61

BMI, kg/m²

30.5 [25–36]

29.5 [23.6–33.6]

31.1 [26.1–35.9]

0.29

APACHE II score

22 [18–25]

20 [15–21]

22.5 [21.2–29.5]

0.049

APACHE score >25, n (%)

6 (19.4)

2 (13.3)

4 (25)

0.41

SAPS II

48 [43–59]

46 [42–59]

53 [46.2–61.7]

0.22

SOFA score at admission

8 [5–10]

7 [5–10]

8 [6.2–9.7]

>0.9

SOFA score, maximum

10 [8–14]

10 [8–12]

12 [8.2–14.7]

0.12

Coronary artery disease, n (%)

7 (22.6)

2 (13.3)

5 (31.3)

0.23

Arteriosclerosis obliterans, n (%)

4 (12.9)

2 (13.3)

2 (12.5)

0.94

Diabetes dietary, n (%)

10 (32.3)

6 (40)

4 (25)

0.37

Chronic kidney disease, n (%)

2 (6.5)

2 (13.3)

0

0.13

Chronic obstructive pulmonary disease, n (%)

5 (16.1)

3 (20)

2 (12.5)

0.57

Operated, n (%)

6 (19.4)

5 (33.3)

1 (6.3)

0.172^a

Mechanical ventilation, n (%)

30 (96.8)

14 (93.3)

16 (100)

0.48

ARRT, n (%)

11 (35.5)

5 (33.3)

6 (37.5)

0.81

Use of sepsis corticosteroid, n (%)

20 (64.5%)

10 (66.7)

10 (62.5)

0.81

Positive blood cultures, n (%)

10 (33.3)

6 (40)

4 (26.7)

0.44

Pneumonia, n (%)

9 (29)

4 (26.7)

5 (31.3)

0.78

Abdominal, n (%)

12 (38.7)

6 (40)

6 (37.5)

0.89

Genitourinary, n (%)

3 (9.7)

1 (6.7)

2 (12.5)

0.58

Soft tissue, n (%)

4 (12.9)

1 (6.7)

3 (18.8)

0.31

Unknown, n (%)

4 (12.9)

2 (13.3)

2 (12.5)

0.94

Endocarditis, n (%)

1 (3.23)

1 (6.25)

0

0.29

Delirium, n (%)

22 (71)

10 (66.7)

12 (75)

0.77

Cumulative fluid balance during angiography, ml

421 [−1502 to 3343]

1409 [−841 to 46 06]

−620 [−1533 to 3015]

0.44

ICU LOS, survivors, days

7.6 [3.3–14]

5.9 [3.3–9.6]

7.8 [3.3–9.4]

0.72

Hospital LOS, days

20 [8.5–35]

22.9 [10.8–34.7]

19.3 [7.9–32.3]

0.49

ICU mortality, n (%)

3 (9.7)

2 (12.5)

1 (6.7)

>0.9

30-day mortality, n (%)

4 (12.9)

1 (6.7)

3 (18.8)

0.32^a

365-day mortality, n (%)

8 (25.8)

3 (20)

5 (31.3)

0.38^a