Table 1 Patient demographics and characteristics

Age (years), median (IQR)

68 (61–73)

Sex

 Male, n (%)

122 (78.7)

 Female, n (%)

33 (21.3)

Weight (kg), median (IQR)

87 (75–98)

Height (cm), median (IQR)

177(172–183)

BMI (kg/m²), median (IQR)

27.3 (24.7–31.3)

Laboratory parameter, median (IQR)

 Leukocytes (10⁹/L)

7.49 (6.65–9.12)

 Hemoglobin (g/dL)

13.9 (12.5–15.1)

 Platelets (10⁹/L)

242 (195–280)

 Quick (%)

104 (94–110)

 Creatinine (mg/dL)

0.95 (0.83–1.15)

 AST (U/L)

22 (19–28)

 ALT (U/L)

22 (14–31)

 Bilirubin (mg/dL)

0.5 (0.3–0.7)

 CRP (mg/L)

2.8 (1.1–10.7)

 ChE (kU/L)

7.7 (6.5–8.7)

Admission Comorbidities^⊕, n (%)

 Myocardial infarction

52 (33.5)

 Cerebrovascular disease

15 (9.7)

 Chronic renal failure

5 (3.2)

 Gastroduodenal ulcer

5 (3.2)

 Tumor (+/- metastasis)

15 (9.7)

 Heart failure

37 (23.9)

 Diabetes mellitus (+/- organ damage)

49 (31.6)

 Chronic pulmonary disease

13 (8.4)

 Peripheral artery disease

6 (3.9)

Planned surgery, n (%)

 CABG

98 (63.2)

 Aortic valve replacement

29 (18.7)

 CABG and aortic valve replacement

18 (11.6)

 Ascending aorta replacement

1 (0.6)

 Other

13 (8.4)

Pre-Operative cognition baseline, median (IQR)

 Mini-Cog-Result ^±

4 (2–5)

 Orientation^‡

5 (5–5)

 RASS^°

0 (0–0)