Table 1 Patient characteristics and intraoperative data of the group, age < 80 years old and age ≧ 80 years old

Height (cm)

150 (145, 153)

160 (154, 170)

< 0.001

Weight (kg)

48 (42, 50)

60 (51, 70)

< 0.001

Sex (male/female)

6/27

93/81

0.001

Preoperative hemoglobin (g/dL)

10.6 (9.8, 11.7)

12.3 (11, 13.3)

< 0.001

Preoperative platelet (× 10³μL)

132 (107, 180)

161 (127, 199)

0.023

Fibrinogen (mg/dL)

239.5 (191.5, 293)

246 (191, 309)

0.60

Preoperative PT-INR

1.03 (0.97, 1.25)

1.03 (0.98, 1.14)

0.50

Preoperative APTT (second)

32.5 (27.5, 39.5)

31 (27.5, 36)

0.34

sCre (mg/dL)

0.84 (0.73, 1.52)

0.87 (.67, 1.09)

0.23

eGFR (ml/min/1.73 m²)

51.2 (28.4, 60.8)

62.1 (45.9, 76.4)

< 0.001

Lowest hemoglobin during CPB (g/dL)

7.3 (6.9, 7.6)

7.5 (6.9, 8)

0.22

CPB duration (min)

193 (169, 232)

215.5 (172, 272)

0.18