Table 2.
Comparison of the main clinical data for two groups.
| Clinical data | Nail plate group (n = 42) |
Dual plate group (n = 36) |
P Value |
|---|---|---|---|
| Operation time (minutes) | 132.7 ± 15.1 | 148.8 ± 17.2 | 0.743* |
| Blood loss (ml) | 315.5 ± 45.1 | 312.8 ± 42.5 | 0.306* |
|
Average follow up period (months) |
13.9 ± 4.2 | 14.7 ± 3.9 | 0.749* |
| Weeks to union (weeks) | 15.5 ± 2.7 | 15.4 ± 2.8 | 0.942* |
|
Weeks to full weight bear (weeks) |
6.9 ± 2.4 | 6.4 ± 2.7 | 0.461* |
| Vas score at last follow up | 1.7 ± 0.8 | 1.6 ± 0.6 | 0.166* |
| HSS score at last follow up | 90.0 ± 3.0 | 91.0 ± 3.0 | 0.827* |
|
Knee flexion at last follow up (°) |
111.3 ± 8.2 | 119.9 ± 10.1 | 0.087* |
| Complications | 5 (11.9%) | 6 (16.6%) | 0.761# |
| Delayed union/Nonunion | 1 | 2 | 0.467# |
| Superficial infection | 1 | 1 | 0.912# |
| Deep infection | 1 | 0 | 0.351# |
| Stiffness of the knee | 1 | 1 | 0.467# |
| Malalignment (> 5°) | 0 | 1 | 0.283# |
| Limb shortening | 1 | 1 | 0.467# |
| Implant failure | 0 | 0 | - |
| Reoperationsa | 10 | 8 | 0.974& |
*P-value as determined by paired-sample t-test; # The Fisher two-sided exact test was used for the comparison of rates.
a such as implant removal, revision surgery, etc.; & The chi-square test was used for the comparison of rates.