Table 1 Baseline characteristics of patients undergoing isolated CABG surgery with and without DSWI (n = 4085). REPLICCAR II, São Paulo, Brazil, 2017–2019.

From: Performance of a novel risk model for deep sternal wound infection after coronary artery bypass grafting

 

DSWI

Yes (n = 101)

No (n = 3984)

n

%

n

%

Age (years)a

63.6 ± 9.5

63.2 ± 9.2

Gender male

50

49.5

2984

74.9

BMI (kg/m2)a

29 ± 5.5

27.4 ± 4.3

Diabetes

72

71.3

1938

48.6

Hemoglobin (mg/dL)a

12.6 ± 1.86

13.5 ± 1.79

Hematocrit (%)a

38 ± 5.1

40 ± 4.9

NYHA ≥ III

3

3.0

140

3.5

Three-vessel disease

15

14.9

1060

26.6

Surgery status

Elective

54

53.5

2600

65.3

Urgency

43

42.6

1371

34.4

Emergency

4

4.0

13

0.3

Lowest intraoperative temperature (°C)a

33.2 ± 1.9

33.8 ± 1.9

Surgery duration (hours)a

5.9 ± 1.7

4.7 ± 1.6

CPB time (minutes)a

87.1 ± 31.6

75.5 ± 29.2

Anoxia time (minutes)a

69.8 ± 30.8

58.4 ± 24.8

BITA

19

18.8

450

11.3

Intraoperative high glucose (mg/dL)a

205.1 ± 61.4

179.6 ± 59.9

Intraoperative blood transfusion

30

29.7

700

17.6

  1. BMI: body mass index; MI: myocardial infarction; NYHA: New York Heart Association; CPB: cardiopulmonary bypass; BITA: bilateral internal thoracic artery.
  2. aMean ± SD.