Risk score for predicting abdominal complications after coronary artery bypass grafting

Table 1 Indicators for the evaluation of the risk factors for abdominal complications

Factor	Indicator	Mean (95%CI) or n (%)
Male sex	1–Presence/0-Absence	5164 (78.4)
Age in years	Number	61 (56 to 66)
Weight, kg	Number	82 (73 to 93)
Height, cm	Number	169 (161 to 174)
Body mass index, kg/m2	Number	29.27 (26.35 to 32.56)
Left ventricular ejection fraction, %	Number	55.69 (47.74 to 61)
Post-infarction cardiosclerosis	1–Presence/0-Absence	4429 (67.2)
Cerebrovascular accident in the anamnesis	1–Presence/0-Absence	359 (5.5)
Chronic kidney disease	1–Presence/0-Absence	917 (13.9)
Multifocal atherosclerosis	1–Presence/0-Absence	673 (10.2)
Diabetes	1–Presence/0-Absence	1452 (22)
The duration of cardiopulmonary bypass in min	Number	77 (60 to 107)
Aortic clamping time in min	Number	41 (31 to 61)
Combination of coronary artery bypass grafting with valve correction	1–Presence/0-Absence	1049 (15.9)
Resternotomy	1–Presence/0-Absence	294 (4.5)
Postoperative bleeding requiring resternotomy	1–Presence/0-Absence	182 (2.8)
Other reasons for resternotomy	1–Presence/0-Absence	100 (1.52)
Atrial fibrillation in the postoperative period	1–Presence/0-Absence	695 (10.6)
Intra- and postoperative myocardial infarction	1–Presence/0-Absence	90 (1.37)
Intra- and postoperative cerebrovascular accident	1–Presence/0-Absence	74 (1.12)
Intra-aortic balloon pump	1–Presence/0-Absence	13 (0.19)
Extracorporeal membrane oxygenation	1–Presence/0-Absence	30 (0.45)

CI: Confidence interval.