Table 6 Univariable analysis of predictors of infectious complications

Age (years)

1.02 (1.00–1.05)

0.071

Sex

0.71 (0.32–1.51)

0.371

BMI (kg m⁻²)

0.97 (0.89–1.06)

0.499

 < 18.5

2.03 (0.51–8.63)

0.312

Smoking history

2.01 (0.91–4.64)

0.090

Alcohol

3.02 (1.41–6.69)

0.005

Total reversible CV risk factors

1.55 (1.06–2.30)

0.025

CV disease

0.84 (0.35–1.95)

0.682

COPD

2.13 (0.77–6.04)

0.144

Chronic renal failure

0.74 (0.15–2.96)

0.680

Liver disease

0.24 (0.01–1.44)

0.188

Stroke

1.53 (0.18–13.15)

0.675

Charlson Comorbidity Index

1.13 (0.95–1.36)

0.184

ASA classification

 II

1.71 (0.51–6.83)

0.406

 III

2.29 (0.58–10.37)

0.252

Surgical indication

 Delayed reconstruction

0.63 (0.11–3.51)

0.587

 Osteoradionecrosis

0.87 (0.21–3.70)

0.838

 Trauma

0.63 (0.02–9.16)

0.736

 Others

0.63 (0.02–9.16)

0.736

Cancer context

1.76 (0.60–5.88)

0.323

Past head and neck radiotherapy

0.84 (0.34–2.02)

0.705

Past head and neck FF failure

7.50 (0.78–101.01)

0.092

Preoperative hemoglobin level (g/dL)

0.65 (0.45–0.90)

0.012

Fibula flap

1.52 (0.72–3.23)

0.274

Ischemia time (min)

1.01 (0.99–1.02)

0.270

Operative time (h)

1.40 (1.12–1.77)

0.004

Intraoperative IV fluids (mL.kg⁻¹.h⁻¹)

1.03 (0.91–1.16)

0.662

Intraoperative blood transfusion

2.39 (1.09–5.50)

0.034