Background
Methods
Subjects
Surgical methods
Postoperative management
Outcomes evaluation
Statistical analysis
Results
Demographic characteristics of the patients
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 |
Posterior-anterior (PA) screw (n = 41) | Anterior-posterior (AP) screw (n = 31) | Posterior plate (n = 35) | χ2/F | P | |
---|---|---|---|---|---|
Sex | |||||
Male | 21 | 17 | 16 | 0.563 | 0.755 |
Female | 20 | 14 | 19 | ||
Lange-Hansen classification | |||||
Supination external rotation | 22 | 13 | 17 | 0.971 | 0.615 |
Pronation-external rotation | 19 | 18 | 18 | ||
Mechanisms of injury | |||||
Low-energy | 19 | 14 | 18 | 0.305 | 0.858 |
High-energy | 22 | 17 | 17 | ||
Age (Year) | 43.8 ± 11.8 | 45.8 ± 13.4 | 43.2 ± 11.9 | 0.382 | 0.683 |
Time from injury to surgery (Day) | 8.6 [7.6,11.4] | 8.8 [8.0,10.0] | 8.5 [8.0,9.8] | 0.412 | 0.814 |
Follow-up time (Month) | 17.5 [13.9,24.2] | 17.7 [15.1,20.9] | 17.9 [13.9,22.7] | 0.315 | 0.854 |
AOFAS score
Posterior-anterior (PA) screw (n = 48) | Anterior-posterior (AP) screw (n = 42) | Posterior plate (n = 46) | χ2 | P | |
---|---|---|---|---|---|
AOFAS score | 91.5 [87.6,96.2] | 91.8 [89.2,95.1] | 90.8 [88.5,93.2] | 1.688 | 0.430 |
Dorsiflexion restriction | 5.0 [3.9,7.8] | 5.4 [4.0,7.9] | 5.6 [4.7,6.8] | 0.929 | 0.628 |
Posterior-anterior (PA) screw(n = 41) | Anterior-posterior (AP) screw(n = 31) | Posterior plate (n = 35) | χ2 | P | |
---|---|---|---|---|---|
AOFAS score | 92.3 [88.0,94.9] | 91.9 [89.7,94.0] | 84.1 [80.5,86.5] **△△ | 39.552 | 0.000 |
Dorsiflexion restriction | 5.1 [3.8,6.1] | 4.7 [3.7,6.6] | 6.3 [5.1,7.9] *△△ | 13.282 | 0.001 |