Variables | All patients (n = 417) | Patients without SSI (n = 387) | Patients with SSI (n = 30) | p value |
---|---|---|---|---|
Preoperative stay (days), mean ± SD | 5.0 ± 4.0 | 5.0 ± 4.0 | 7.0 ± 5.0 | 0.026b |
ASA | Â | Â | Â | 0.889c |
I–II, n(%) | 269(64.5) | 250(64.6) | 19(63.3) |  |
III–V, n(%) | 148(35.5) | 137(35.4) | 11(36.7) |  |
Anesthesia type | Â | Â | Â | 0.838c |
Regional, n(%) | 225(51.8) | 210(51.9) | 15(50.0) | Â |
General, n(%) | 201(48.2) | 186(48.1) | 15(50.0) | Â |
Tourniquet use, n(%) | 289(69.3) | 261(67.4) | 28(93.3) | 0.003c* |
Bone grafting use, n(%) | 24(5.8) | 22(5.7) | 2(6.7) | 0.824c |
Intraoperative blood loss (ml), mean ± SD | 140.0 ± 98.1 | 139.0 ± 98.0 | 162.0 ± 96.0 | 0.076b |
Surgical duration (minutes), mean ± SD | 120.0 ± 38.7 | 119.0 ± 38.0 | 135.0 ± 44.0 | 0.049b |
RBC (1012/L), mean ± SD | 3.5 ± 0.6 | 3.5 ± 0.6 | 3.3 ± 0.6 | 0.174b |
WBC (109/L), mean ± SD | 9.8 ± 3.8 | 9.7 ± 3.7 | 11.2 ± 5.3 | 0.247b |
PLT (109/L), mean ± SD | 278.0 ± 114.2 | 276.0 ± 112.9 | 300.4 ± 127.9 | 0.335b |
HB(g/L), mean ± SD | 116.8 ± 13.1 | 116.6 ± 13.1 | 118.8 ± 12.8 | 0.316b |
HCT(%), mean ± SD | 34.6 ± 3.7 | 34.6 ± 3.7 | 35.1 ± 3.7 | 0.393b |
ALB(g/L), mean ± SD | 34.4 ± 5.4 | 34.7 ± 5.3 | 30.6 ± 5.2 | 0.001a* |
GLOB (g/L), mean ± SD | 24.4 ± 4.9 | 24.4 ± 4.9 | 25.5 ± 4.7 | 0.178a |
HCRP(mg/L), mean ± SD | 58.8 ± 56.5 | 55.2 ± 53.9 | 102.6 ± 69.6 | 0.001b* |
GLU (mmol/L), mean ± SD | 6.8 ± 1.8 | 6.7 ± 1.8 | 7.0 ± 2.1 | 0.655b |