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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Patient characteristics (N = 108)

From: Morphological analysis of posterior malleolar fractures with intra-articular impacted fragment in computed tomography scans

Patient characteristics

Overall number (%)

IAIF group number (%)

NIAIF group number (%)

Age (years)*

49 (18–89)

49 (22–89)

49 (18–89)

Sexa

 Male

34

20

14

 Female

74

55

19

Injury sitea

 Left

45

32

13

 Right

63

43

20

Lauge–Hansen classificationa

 Pronation-abduction

8

4 (50)

4 (50)

 Pronation-external rotation

15

11 (73.3)

4 (26.7)

 Supination-external rotation

85

60 (70.6)

25 (29.4)

OTA/AO classificationa

 B

86

61 (70.9)

25 (29.1)

 C

15

10 (66.7)

5 (33.3)

Haraguchi classificationa

 1

71

47 (66.2)

24 (33.8)

 2

25

22 (88)

3 (12)

 3

12

6 (50)

6 (50)

Mason classificationa

 1

12

6 (50)

6 (50)

 2A

71

47 (66.2)

24 (33.8)

 2B

22

20 (90.9)

2 (9.1)

 3

3

2 (66.7)

1 (33.3)

  1. IAIF intraarticular impacted fragments, NIAIF no intraarticular impacted fragments
  2. *Values are given as the mean, with the range in parentheses
  3. aPercentage was the ratio between the two groups