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Table 2 Preoperative univariate risk factors for intestinal ischemia after cardiac surgery

From: Intestinal ischemia after cardiac surgery: analysis of a large registry

Variable

N

Control group N = 18862

Patients with intestinal ischemia N = 17

p value

Age (years)*

18879

69 (60–75)

69 (59–73)

0.45

Female gen der

18879

5187 (27)

6 (35)

0.47

BMI (kg/m2)*

15066

26 (24–29)

25 (22–27)

0.15

Haemoglobin (g/L)*

15859

135 (123–145)

130 (118–140)

0.56

Creatinine > 200 (μmol/L)

18144

340 (2)

2 (12)

0.04

Dialysis

18652

226 (1)

0

1

Hemodynamic instable

18876

272 (1)

2 (12)

<0.001

Smoking

8518

849 (10)

2 (25)

0.19

Emergency cardiac surgery

18879

1923 (10)

7 (41)

<0.001

Chronic obstructive pulmonary disease

18653

1756 (9)

2 (12)

0.67

Stroke

18653

830 (4)

3 (18)

0.038

Peripheral vascular disease

18653

2388 (13)

7 (41)

<0.001

Left ventricular ejection fraction <30 %

18879

1482 (8)

2 (12)

0.39

Instable angina

18879

1542 (8)

5 (29)

0.01

Cardiogenic shock

16091

282 (2)

3 (23)

0.001

Atrial fibrillation

14786

1552 (11)

2 (14)

0.65

Anticoagulants

18879

2640 (14)

5 (29)

0.078

Steroids

18879

212 (1)

2 (12)

0.016

IABP

18871

576 (3)

2 (12)

0.094

Diabetes mellitus

18652

3462 (19)

3 (18)

1

NYHA 4

18879

2652 (12)

9 (53)

<0.001

  1. N is the number of non missing values, values in parentheses are percentages, except median (interquartile range)*, BMI body mass index, IABP intra-aortic balloon pump, NYHA New York Heart Association.