Table 3 Perioperative outcomes between groups

Postoperative total drainage volume

370.14 ± 78.44

361.47 ± 81.73

0.217

RBC count (POD 1) (×10¹²/L)

3.87 ± 0.51

3.81 ± 0.54

0.627

RBC count (last time)(×10¹²/L)

3.77 ± 0.57

3.80 ± 0.63

0.798

Hemoglobin (POD 1) (g/L)

118.35 ± 17.42

116.87 ± 16.54

0.415

Hemoglobin (last time) (g/L)

114.68 ± 15.68

113.58 ± 16.32

0.714

Perioperative complications

 Urinary retention

5 (1.62%)

3 (0.97%)

0.722

 Deep vein thrombosis

3 (0.97%)

1 (0.32%)

0.616

 Urinary infection

5 (1.62%)

2 (0.65%)

0.447

 Acute cerebral infarction

1 (0.32%)

0 (0%)

1

 Pneumonia

3 (0.97%)

1 (0.32%)

0.616

 Delirium

6 (1.95%)

2 (0.65%)

0.286

 Heart failure

0 (0%)

1 (0.32%)

1

 Myocardial infarction

1 (0.32%)

3 (0.97%)

0.616

 Symptomatic hematoma

3 (0.978%)

1 (0.32%)

0.616

 Surgical site infection

5 (1.62%)

2 (0.65%)

0.447

 Overall complications

32 (10.39%)

16 (5.19%)

0.016

 Major complications

14 (4.54%)

9 (2.92%)

0.288

Postoperative timing of ambulation

3.87 ± 1.12

2.41 ± 1.34

0.012

Postoperative LOS

6 (5,9)

5 (4,8)

< 0.001

Prolonged LOS

117 (37.99%)

68 (22.08%)

< 0.001

Reoperation

1 (0.32%)

0 (0%)

1