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Table 4 Comparison between patients with and without sternal wound complications

From: Hemoglobin A1c and preoperative glycemia as a decision tool to help minimise sternal wound complications: a retrospective study in OPCAB patients

Variable

All (n = 1774)

Non-diabetes (n = 1316)

Diabetes (n = 458)

No SWC (n = 1559)

SWC (n = 215)

P

No SWC (n = 1183)

SWC (n = 133)

P

No SWC (n = 376)

SWC (n = 82)

P

Age, years

67.9 ± 9.62

67.1 ± 9.85

0.212

68.0 ± 9.81

68.2 ± 10.1

0.890

67.7 ± 9.03

65.4 ± 9.18

0.037

Male gender

1276 (81.9)

157 (73.0)

0.002

974 (82.3)

101 (75.9)

0.071

302 (80.3)

56 (68.3)

0.017

BMI, kg/m2

26.7 ± 4.15

28.9 ± 5.03

< 0.001

26.4 ± 3.93

28.0 ± 4.70

< 0.001

27.4 ± 4.70

30.3 ± 5.24

< 0.001

BMI group

  

< 0.001

  

< 0.001

  

< 0.001

  < 25

439 (29.8)

47 (22.3)

 

355 (31.8)

35 (26.9)

 

84 (23.5)

12 (14.8)

 

 25–29

710 (48.2)

79 (37.4)

 

541 (48.5)

52 (40.0)

 

169 (47.2)

27 (33.3)

 

 30–34

277 (18.8)

54 (25.6)

 

189 (17.0)

31 (23.9)

 

88 (24.6)

23 (28.4)

 

  > 34

47 (3.2)

31 (14.7)

 

30 (2.7)

12 (9.2)

 

17 (4.8)

19 (23.5)

 

Urgent surgery

756 (48.5)

108 (50.2)

0.632

562 (47.5)

68/133 (51.13)

0.428

194 (51.6)

40 (48.8)

0.644

Oral corticosteroids

123 (7.9)

22 (10.2)

0.240

88 (7.4)

15/133 (11.28)

0.118

35 (9.3)

7 (8.5)

0.826

Transplantation

12 (0.8)

4 (1.9)

0.113

7 (0.6)

1 (0.8)

0.822

5 (1.3)

3 (3.7)

0.145

COPD

95 (6.1)

15 (7.0)

0.615

67 (5.7)

11 (8.3)

0.227

28 (7.5)

4 (4.9)

0.408

Skeletonisation

346 (22.2)

38 (17.7)

0.131

244 (20.6)

27 (20.3)

0.930

102 (27.1)

11 (13.4)

0.009

BIMA

934 (59.9)

162 (75.4)

< 0.001

741 (62.6)

104 (78.2)

< 0.001

193 (51.3)

58 (70.7)

0.001

HbA1c (%)

6.60 ± 1.18

7.03 ± 1.42

0.007

5.80 ± 0.82a

5.80 ± 0.47a

0.757

6.85 ± 1.16a

7.21 ± 1.43a

0.081

Glycemia (mg/dL)

112.8 ± 30.5

116.6 ± 35.5

0.094

107.1 ± 24.6

106.1 ± 21.6

0.996

130.79 ± 39.1

133.8 ± 45.6

0.800

  1. BMI Body mass index, COPD chronic obstructive pulmonary disease, BIMA bilateral internal mammary artery bypass grafting
  2. adata from 129 non-diabetes patients
  3. Values are presented as mean ± SD or n (%)
  4. P < 0.05 was considered significant