Table 1 Patient characteristics ^a

TnT concentration (ng·ml^− 1)

0.020

(0.005–0.042)

0.005

(0.004–0.008)

0.042

(0.033–0.067)

< 0.001

Clinical characteristics

 Age (year)

63 (53–71)

61 (53–68)

63 (54–75)

0.677

 Male Sex (n, %)

11 (55%)

6 (60%)

5 (50%)

0.661

 Female Sex (n, %)

9 (45%)

4 (40%)

5 (50%)

 BMI (kg·m^-2)

22 (20–24)

24 (21–25)

22 (19–24)

0.241

 ASA III (n, %)

20 (100%)

10 (100%)

10 (100%)

> 0.999

 Epidural analgesia (n, %)

9 (45%)

3 (30%)

6 (60%)

0.370

 Smoking history (n, %)

6 (30%)

2 (20%)

4 (40%)

0.629

Surgery type (n, %)

 Hepatobiliary

8 (40%)

2 (20%)

6 (60%)

0.189

 Gastrointestinal

9 (45%)

6 (60%)

3 (30%)

 Lung

3 (15%)

2 (10%)

1 (10%)

Comorbidities (n, %)

 Hypertension

10 (50%)

5 (50%)

5 (50%)

> 0.999

 Coronary heart disease

1 (5%)

0 (0%)

1 (10%)

> 0.999

 Peripheral vascular disease

2 (10%)

1 (10%)

1 (10%)

> 0.999

 Diabetes

3 (15%)

2 (20%)

1 (10%)

> 0.999

 Gastrointestinal disease

1 (5%)

0 (0%)

1 (10%)

> 0.999

 Liver disease

5 (25%)

1 (10%)

4 (40%)

0.303

 Kidney disease

2 (10%)

1 (10%)

1 (10%)

> 0.999

 History of surgery

7 (35%)

4 (40%)

3 (30%)

> 0.999

Preoperative medication (n, %)

 ARB or ACEI

3 (15%)

1 (10%)

2 (20%)

> 0.999

 Beta blocker

2 (10%)

1 (10%)

1 (10%)

> 0.999

 Calcium channel blocker

5 (25%)

3 (30%)

2 (20%)

> 0.999