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Table 2 Demographic characteristics and perioperative variables of the entire study population

From: Skeletonisation contributing to a reduction of sternal wound complications: a retrospective study in OPCAB patients

Variable

Non-skeletonized (n = 1487)

Skeletonized (n = 413)

P

Age

67.8 ± 9.79

68.0 ± 9.14

0.956

Male gender

1201 (80.77)

333 (80.63)

0.950

BMI

26.9 ± 4.28

27.2 ± 4.49

0.899

BMI group

  < 25

393 (28.23)

119 (29.10)

0.752

 25–29

663 (47.63)

188 (45.97)

 

 30–34

274 (19.68)

79 (19.32)

 

  > 34

62 (4.45)

23 (5.62)

 

Urgent surgery

703 (47.28)

210 (50.85)

0.199

Diabetes mellitus

 0

1073 (72.16)

272 (65.86)

0.015

 1

40 (2.69)

7 (1.69)

 

 2

241 (16.21)

92 (22.28)

 

 3

133 (8.94)

42 (10.17)

 

Oral corticosteroids

126 (8.47)

26 (6.30)

0.149

Transplantation

11 (3.09)

6 (1.45)

0.173

Renal insufficiency

46 (3.09)

18 (4.36)

0.208

COPD

90 (6.05)

27 (6.54)

0.717

BIMA

944 (63.48)

228 (55.21)

0.002

  1. BMI Body mass index, COPD chronic obstructive pulmonary disease, BIMA bilateral internal mammary artery bypass grafting
  2. Values are presented as mean ± SD or n (%)
  3. P < 0.05 was considered significant