Table 2 One-year complication rate per category as categorized by Parvizi

Major systemic

Death

25

21

(0.18)

Tachyarrhythmia

1

4

Myocardial infarction

4

2

Pulmonary embolus

1

6

Acute renal failure

3

2

Stroke and/or TIA

3

3

Bowel obstruction

0

1

Total number of patients with >/=1 major systemic complication ^a

29 out of 91 (31.9%)

29 out of 110 (26.4%)

0.41

Minor systemic

Anemia

30

39

Urinary tract infection

14

22

Mental status change

23

21

Gastric hypomotility

0

2

Deep venous thrombosis

0

1

Pneumonia

14

12

Social complication

2

9

Others

2

2

Total number of patients with >/=1 minor systemic ^a

73 out of 91 (80.2%)

89 out of 110 (80.9%)

0.92

Major local

Peripheral nerve injury

0

1

Infection leading to revision

0

1

Periprosthetic fracture

14

3

intraoperatively

12

0

postoperatively

2

3

Dislocation

5

3

Total number of patients with >/= 1 major local complication ^a

19 out of 91 (20.9%)

8 out of 110 (7.3%)

0.005

Minor local

Hematoma

1

6

Persistent wound drainage

3

4

Superficial wound infection

3

6

Skin blisters

1

1

Other

6

2

Total number of patients with >/= 1 minor local complication ^a

12 out of 91 (13.2%)

19 out of 110 (10.9%)

0.42