Table 1 Overview of demographic data between the two groups
Without foot ring | With foot ring | Statistical value | P value | |
|---|---|---|---|---|
Patients | ||||
Male | 39 | 29 | 0.078 | 0.779 |
Female | 8 | 5 | ||
Age (year) | 38.3 ± 12.0 (18–64) | 37.1 ± 9.8 (20–59) | − 0.216 | 0.829 |
Injury mechanism | ||||
Road traffic accident | 35 | 23 | 2.662 | 0.268 |
Fall from height | 7 | 3 | ||
Crushing injury | 5 | 8 | ||
Open/closed fracture | ||||
Open | 33 | 29 | 2.499 | 0.183 |
Closed | 14 | 5 | ||
OTA classification of fractures | ||||
A | 12 | 8 | 0.792 | 0.638 |
B | 28 | 23 | ||
C | 7 | 3 | ||
Time elapsed since the injury to HEF installation (day) | 3.4 ± 1.5 (1–7) | 3.2 ± 1.4 (1–6) | 0.625 | 0.534 |
Original postoperative deformities | ||||
T1 (mm) | 6.6 ± 4.2 (0–15.7) | 7.0 ± 4.4 (0–17.7) | − 0.316 | 0.752 |
A1 (°) | 4.6 ± 2.3 (1.4–11.2) | 4.8 ± 2.1 (0–8.7) | − 0.991 | 0.322 |
T2 (mm) | 5.7 ± 4.1 (0–14.1) | 6.4 ± 4.1 (0–15.4) | − 0.933 | 0.351 |
A2 (°) | 4.2 ± 2.5 (0–11.3) | 3.3 ± 2.3 (0–9.7) | − 1.676 | 0.094 |