Table 1 Baseline data of patients
Variables | Group A (n = 13) | Group B (n = 12) | t / χ2 | P value |
|---|---|---|---|---|
Male | 11 | 9 | 0.740 | 0.685 |
Age (years) | 42.5 ± 7.39 | 40.84 ± 6.43 | 1.045 | 0.374 |
Initial injury mechanism (traffic accident/crushing/falling) | 8/3/2 | 8/2/2 | 0.201 | 0.851 |
Initial treatment (plate/intramedullary nailing/ external fixation) | 4/6/3 | 5/3/4 | 0.470 | 0.506 |
Receiving free flap or skin graft (%) | 6 | 5 | 1.862 | 0.085 |
Positive results of bacteria culture (S. aureus/Staphylococcus epidermidis/ E. coli) | 7/4/2 | 6/3/3 | 0.528 | 0.634 |
Previous surgery per patient | 3 | 2.8 | 0.451 | 0.503 |
Duration of infection (month) | 16.62 ± 5.04 | 15.54 ± 3.15 | 0.647 | 0.524 |
DS (cm) | 7.3 ± 0.61 | 6.78 ± 0.91 | 1.682 | 0.106 |
Operation time (minute) | 187.13 ± 21.88 | 255.76 ± 36.42 | 2.994 | 0.002 |
Intraoperative blood loss (mL) | 39.26 ± 7.33 | 53.74 ± 10.69 | 3.961 | < 0.001 |
BUT (month) | 8.37 ± 2.30 | 9.07 ± 3.12 | 2.890 | 0.032 |
EFT (month) | 2.02 ± 0.31 | 2.57 ± 0.38 | 2.634 | 0.045 |
EFI (month/cm) | 0.27 ± 0.08 | 0.44 ± 0.09 | 2.771 | 0.042 |
Complication (per patient) | 5 (0.38) | 14 (1.16) | 2.315 | 0.012 |
Follow-up time (months) | 30.88 ± 5.77 | 34.82 ± 3.65 | 0.681 | 0.055 |