Table 2 Perioperative characteristics and laboratory results of the patients underwent surgery

Operation time (h)

2.95 (2–3.5)

3.0 (2–4)

0.119

Intraoperative hypotension time (h)

0.00 (0.00, 0.50)

0.50 (0.00, 1.42)

0.003

Blood loss (ml)

100.00 (50.00, 200.00)

200.00 (100.00, 300.00)

0.006

Vasoactive drugs [No. (%)]

24 (19.05)

19 (30.16)

0.086

Arrhythmia [No. (%)]

3 (2.38)

2 (3.17)

0.749

Same day fluid volume (ml)

3716 (3046-4384)

3739 (3199-4375)

0.840

Same day fluid volume (ml/kg/h)

2.66 (2.18–3.32)

2.43 (2.07–2.98)

0.105

Same day Fluid balance (ml)

1765 (1302-2347)

1583 (906–2250)

0.193

Same day Fluid balance (ml/kg/h)

1.25 (0.93–1.67)

1.08 (0.56–1.54)

0.033

POD1 Fluid volume (ml)

2877.5 (2281.5-3289)

2678 (2200-3217)

0.495

POD1 Fluid volume (ml/kg/h)

1.94 (1.58–2.40)

1.67 (1.45–2.17)

0.019

POD1 Fluid balance (ml)

596 (99–1274.5)

576 (− 210–1154)

0.345

POD1 Fluid balance (ml/kg/h)

0.44 (0.06–0.96)

0.33 (−0.12–0.79)

0.216

Open surgery [No. (%)]

44 (34.92)

29 (46.03)

0.139

Transfusion [No. (%)]

9 (7.14)

13 (20.63)

0.006

Severe infection [No. (%)]

1 (0.79)

19 (30.16)

< 0.001

Postoperative atrial fibrillation [No. (%)]

1 (0.79)

4 (6.35)

0.025

Postoperative mechanical prophylaxis [No. (%)]

125 (99.21)

53 (84.13)

0.000

Postoperative anticoagulative agent [No. (%)]

81 (64.29)

28 (44.44)

0.009