Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Comparison of demographic and clinical characteristics between patients with and without refracture
From: Risk factors for refracture of the femoral shaft in children after removal of external fixation
Characteristics | Refracture (n = 24) | No refracture (n = 141) | P value |
|---|---|---|---|
Age (years) | 7.6 ± 2.2 | 8.5 ± 2.0 | 0.2512 |
Body weight (kg) | 25.1 ± 9.6 | 24.2 ± 11.1 | 0.8376 |
Gender (male/female) | 18/6 | 90/51 | 0.8169 |
Left/right side | 9/15 | 75/66 | 0.3572 |
Open/closed fracture | 3/21 | 8/133 | 0.2023 |
Fracture location | 0.1535 | ||
Upper third | 3 | 38 | |
Middle third | 21 | 97 | |
Lower third | 0 | 6 | |
Open/closed reduction | 24/0 | 129/12 | 0.2176 |
Operation time (min) | 25.1 ± 9.6 | 29.1 ± 14.7 | 0.7762 |
Perioperative bleeding (ml) | 2.5 ± 1.6 | 3.9 ± 4.6 | 0.4021 |
Diameter of the screws | 0.2598 | ||
3.5 mm | 18 | 89 | |
5.0 mm | 6 | 52 | |
Number of screws | 0.3318 | ||
4 | 18 | 96 | |
5 | 0 | 12 | |
6 | 6 | 33 | |
EF fixation time (months) | 6.91 ± 1.73 | 6.81 ± 2.81 | 0.9512 |
Immobilization time (months) | 1.89 ± 0.55 | 2.01 ± 0.63 | 0.7325 |
Immobilization time of refracture (months) | 3.13 ± 0.71 | N/A |