Characteristics | Conventional group (n = 11) | 3D printing group (n = 14) | P value |
---|---|---|---|
Mean age (range), years | 9.6 ± 3.4 (6–17) | 9.9 ± 3.6 (5–18) | 0.753 |
Time from fracture to operation (range), months | 25.8 ± 10.2 (12–44) | 26.4 ± 9.4 (10–43) | 0.376 |
Gender, n (%) | 0.577 | ||
Male | 7 (63.6) | 8 (57.1) | |
Female | 4 (36.4) | 6 (42.9) | |
Deformity side, n (%) | 0.191 | ||
Left | 6 (54.6) | 6 (42.9) | |
Right | 5 (45.4) | 8 (57.1) | |
Causes of deformity, n (%) | 0.623 | ||
Supracondylar fracture of humerus | 11 (100) | 14 (100) | |
Internal condyle fracture of the humerus | 0 | 0 | |
Epiphysis injury of the internal condyle | 0 | 0 | |
Carrying angle of healthy side, ° | 9.6 ± 1.3 | 10.1 ± 1.4 | 0.167 |
Carrying angle of deformed side, ° | − 17.8 ± 6.3 | − 18.3 ± 6.7 | 0.269 |