Table 1 Patient characteristics

Age (years)

69.0 ± 10.7

70.1 ± 7.5

0.697

Men

23 (85.2 %)

20 (66.7 %)

0.189

Body surface area (m²)

1.70 ± 0.16

1.60 ± 0.16

0.061

 Hb (g/dL)

11.9 ± 1.9

12.3 ± 1.2

0.341

 Na (mEq/L)

141.5 ± 3.2

140.9 ± 3.1

0.537

 K (mEq/L)

4.2 ± 0.2

4.3 ± 0.3

0.225

 BUN (mg/dL)

14.3 ± 5.3

14.3 ± 5.5

0.965

 Cre (mg/dL)

0.86 ± 0.32

0.80 ± 0.28

0.466

 T-Bil (mg/dL)

1.0 ± 0.3

1.1 ± 0.2

0.065

 TP (g/dL)

6.3 ± 0.5

6.3 ± 0.4

0.805

 Alb (g/dL)

3.6 ± 0.3

3.4 ± 0.5

0.363

 eGFR (ml/min./1.73 m²)

77.7 ± 31.0

76.4 ± 25.4

0.871

 BNP (pg/mL)

263.1 ± 201.0

276.6 ± 197.5

0.814

 Operative duration (minutes)

247.7 ± 54.3

240.1 ± 64.3

0.688

 Number of grafts

3.0 ± 1.1

2.9 ± 1.3

0.899