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Table 1 Demographics of patients with a PMF fragment size ≥15%

From: Comparison of the efficacy of posterior-anterior screws, anterior-posterior screws and a posterior-anterior plate in the fixation of posterior malleolar fractures with a fragment size of ≥ 15 and < 15%

 

Posterior-anterior (PA) screw (n = 48)

Anterior-posterior (AP) screw (n = 42)

Posterior plate (n = 46)

χ2/F

P

Sex

 Male

25

20

21

0.409

0.815

 Female

23

22

25

  

Lange-Hansen classification

 Supination external rotation

26

19

20

1.235

0.539

 Pronation-external rotation

22

23

26

  

Mechanisms of injury

 Low-energy

22

22

24

0.516

0.773

 High-energy

26

20

22

  

Age (Year)

46.6 ± 12.3

44.2 ± 14.1

42.1 ± 11.9

1.478

0.232

Time from injury to surgery (Day)

6.8 [6.0,8.7]

6.6 [5.8,8.4]

7.1 [5.6,8.1]

0.703

0.704

Follow-up time (Month)

18.2 [14.5,23.6]

17.7 [14.4,22.3]

17.1 [14.5,19.8]

0.856

0.652