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Table 1 Patient demographics as well as HO and complications divided by the type of THA approach used

From: Influence of surgical approach on heterotopic ossification after total hip arthroplasty – is minimal invasive better? A case control study

 

Approach

Total

Standard

Minimally invasive

 

STD

Watson-Jones

STD

Bauer

AMIS

MIS-AL

 

Gender

 Men

21

16

22

10

69

 Women

21

12

17

15

65

Mean age

 

42

28

39

25

 

Comorbidities

 Previous THA

14

12

12

7

45

 Diabetes mellitus

5

5

7

5

22

 Cardiovascular diseases

24

15

22

15

76

 Osteoporosis

5

1

1

3

10

HO

 Grade 0

Count

23

24

30

19

96

%

19,0%

3,6%

7,7%

12,0%

 

 Grade 1

Count

8

1

3

3

15

%

19,0%

3,6%

7,7%

12,0%

 

 Grade 2

Count

5

2

4

1

12

%

11,9%

7,1%

10,3%

4,0%

 

 Grade 3

Count

3

0

2

1

6

%

7,1%

0,0%

5,1%

4,0%

 

 Grade 4

Count

3

1

0

1

5

%

7,1%

3,6%

0,0%

4,0%

 

 Total

Count

42

28

39

25

134

%

31,3%

20,9%

29,1%

18,7%

 

Mean Stay in hospital

42

28

39

25

 

Intraoperative complications

4

3

1

0

8

Early complications

 Bleeding

1

2

0

0

3

 Wound healing problems/infection

4

1

1

4

10

 Cardiovascular events

1

1

4

0

6

 Pulmonary embolism

0

0

1

0

1

 Postoperative anemia

42

28

39

25

134

 Urinary tract infection

5

1

0

0

6

Late complications

 Fracture

3

1

1

1

6

 Dislocation

0

2

1

0

3

 Loosening

1

0

0

0

1

 Leg length discrepancy

9

9

14

7

39

 Trendelenburg sign/muscular deficits

10

10

3

2

25

 Local sensory disturbances/pain

7

5

9

6

27

 Revision surgery

2

2

1

3

8