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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