Table 1 Comparison of the main indicators of the two groups
Femur (n = 18) | Tibia (n = 21) | z or t | P value | |
|---|---|---|---|---|
Age (years) | 46.29 ± 6.29 | 47.05 ± 7.29 | − 0.338 | 0.737 |
Gender (male, female) | 13 M, 5 F | 13 M, 8 F | − 0.357 | 0.721 |
DRL (cm) | 8.37 ± 3.48 | 7.57 ± 2.73 | 1.768 | 0.086 |
Operating time (min) | 159.24 ± 13.28 | 149.91 ± 7.22 | 2.587 | 0.016 |
Surgical bleeding volume (ml) | 172.79 ± 15.81 | 139.44 ± 12.35 | 7.053 | < 0.001 |
Duration of distraction stage (day) | 40.41 ± 8.67 | 45.45 ± 5.75 | − 2.115 | 0.042 |
CT (day) | 231.54 ± 3.31 | 250.46 ± 2.99 | 18.110 | < 0.001 |
BUT (day) | 323.72 ± 5.66 | 344.25 ± 3.69 | 12.802 | < 0.001 |
EFT (day) | 334.49 ± 8.54 | 344.64 ± 3.64 | − 4.555 | < 0.001 |
EFI (days/cm) | 55.96 ± 2.96 | 65.02 ± 1.29 | 11.677 | < 0.001 |
Duration of disease (month) | 22.10 ± 5.16 | 20.63 ± 2.44 | 1.078 | 0.293 |
Follow-up time (month) | 27.75 ± 4.06 | 27.34 ± 3.38 | 0.083 | 0.086 |