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Table 4 Multivariable Logistic Regression analysis of risk factors in pin tract infection

From: Risk factors of pin tract infection during bone transport using unilateral external fixator in the treatment of bone defects

Risk factor

Wald

P

Odds ratio (CI)

Male

4.275

0.021

1.71 (0.87–1.11)

Non-urban living

8.697

0.002

1.75 (0.36–1.89)

Lower education level

5.339

0.651

0.23 (0.05–0.61)

Agricultural work

0.843

0.008

1.86 (1.23–2.12)

Smoking

2.980

0.070

1.53 (1.29–1.91)

Alcohol

2.938

0.843

0.31 (0.07–0.67)

Hypertension

6.834

0.714

0.11 (0.04–0.38)

Diabetes

6.609

0.003

1.52 (1.02–1.83)

BMI > 25

5.560

0.018

1.14 (1.03–1.83)

Duration of initial disease > 24 months

6.122

0.627

0.64 (0.31–0.97)

EFT > 9 months

5.638

0.261

1.13 (0.78–1.64)

EFI > 1.8 months/cm

2.394

0.032

0.67 (0.32–1.02)

Double-level bone transport

2.735

< 0.001

0.18 (0.05–0.31)

Time to bone union

5.317

0.382

0.44 (0.08–0.73)

Defect of femur

2.438

0.024

1.06 (0.61–1.27)

  1. DS defect size, EFT external fixation time, EFI external fixation index