Table 2 Characteristics of the arthrodeses

Technique (n, %)

 K-wire

136

91.3

  Buried subcutaneous

88

64.7

  Left outside skin

48

35.3

 Headless compression screw

13

8.7

Complications (n, %)

 No complications

97

65.1

 Infection

37

25.0

 Pain

17

11.4

 Revisional arthrodesis

8

5.4

 Nonunion

7

4.7

 Amputation

2

1.3

 Early removal of K-wire

2

1.3

 Malalignment

2

1.3

 Osteitis/osteomyelitis

2

1.3

 Pseudoarthritis

2

1.3

 Loosening of K-wire

1

0.7

 Loss of function

1

0.7

Anesthetic method(n, %)

 Local anesthesia

125

83.9

 General anesthesia

24

16.1

Operation time in minutes (mean, range)

 K-wire

55

16–130

 Headless compression screw

41

22–70

Surgeon experience (n, %)

 Board certified specialist

76

51.0

 Senior specialist

55

36.9

 Resident

18

12.1

Duration of immobilization in weeks (median, range)

 K-wire

9

2-107

 Headless compression screw

8

6–20

Time to completed follow-up (n, %)

 < 12 weeks

87

58.4

 12–24 weeks

39

26.2

 > 24 weeks

23

15.4

Number of visits to doctor (median, range)

3

1–22

Ascertained healing (n, %)

 Clinical

125

83.9

 Radiological and clinical

23

15.4

 Radiological

1

0.7