Table 2 Comparison of 3D study group and matched 2D control group: Age, Gender, Trauma mechanism, ASA- Score, AO/OTA, Operation time, intraoperative Revision

1

65

f

fall

C3

2

151

YES

Joint step > 2mm, renewed reposition

^m1

60

f

fall

C3

2

121

2

60

m

accident at work (machine)

C3

2

214

NO

Anterior fragment <2mm, no consequent

^m2

63

m

fall

C3

2

167

3

43

m

motorcycle

C3

1

151

NO

-

^m3

42

m

accident at work

C3

1

142

4

60

m

fall down stairs

B3

2

86

NO

-

^m4

58

m

skiing

B3

2

115

5

61

f

biking

C1

1

191

NO

-

^m5

56

m

biking

C1

1

111

6

52

f

biking

B3

2

94

NO

-

^m6

47

f

biking

B3

2

71

7

37

m

biking

C3

1

184

YES

Joint step >2mm, cortical bone chip, reposition

^m7

34

m

fall down from ladder

C3

1

243

8

68

f

fall

C2

2

131

YES

Anterior joint step 3-4mm, renewed reposition

^m8

66

f

fall

C2

2

77

9

65

f

skiing

B3

2

64

NO

-

^m9

70

f

fall

B3

2

86

10

51

f

skiing

B3

1

47

NO

-

^m10

54

f

fall

B3

2

119

11

36

f

skiing

C3

1

132

NO

-

^m11

37

m

biking

C3

2

135

12

56

f

biking

B3

1

134

YES

Joint step >2mm lateral, renewed reposition,

^m12

54

f

motorcycle

B3

2

76

13

23

m

motorcycle

B3

2

155

YES

Negative dorsal slope, joint step >2mm, reposition

^m13

27

m

fall

B3

1

141

14

85

f

fall

B3

2

81

NO

Anterolateral joint step < 2mm, no consequence

^m14

80

f

fall

B3

2

75

15

38

f

biking

C3

1

95

NO

-

^m15

43

f

biking

C3

2

104

16

29

f

biking

B3

1

90

NO

Joint step < 2mm, no consequence

^m16

33

f

fall

B3

1

77

17

30

m

biking

C1

1

143

NO

Lateral joint step < 2mm, no consequence

^m17

26

f

traffic accident

C1

2

170

18

59

F

skiing

B3

1

159

YES

Joint step > 2mm, renewed reposition

^m18

57

f

biking

B3

1

63