Table 4 Surgical and medical adverse events compared between the two groups

Surgical adverse event

61 (33)

25 (52.1)

86 (36.9)

0.023*

  Surgical site infection

1 (0.5)

1 (2.1)

0.370

  Hematoma

4 (2.2)

2 (4.2)

0.606

  Acute anemia

54 (29.2)

23 (47.9)

0.022*

  Nerve injury

6 (3.2)

0

0.350

Medical adverse event

15 (8.1)

17 (35.4)

32 (13.7)

< 0.001*

  Septic shock

3 (1.6)

4 (8.3)

0.030*

  Acute renal failure

3 (1.6)

2 (4.2)

0.274

  Pneumonia

4 (2.2)

4 (8.3)

0.059

  Urinary tract infection

2 (1.1)

4 (8.3)

0.017*

  Myocardial infarction

0

1 (2.1)

0.206

  Gastrointestinal bleeding

1 (0.5)

1 (2.1)

0.370

  Unplanned intubation

2 (1.1)

1 (2.1)

0.501

  Venous thromboembolism

3 (1.6)

3 (6.2)

0.104