Table 2 Multivariate logistic regression analysis of factors associated with deep SSI after posterior cervical spinal surgery in the entire cohort.

From: Risk factors for deep surgical site infection after posterior cervical spine surgery in adults: a multicentre observational cohort study

Characteristic

OR (95% CI)

P value

Male sex

3.21 (1.17–8.86)

0.024

Degenerative diseases

 

0.892

Rheumatoid arthritis

 

0.941

ASA score ≥ 2

 

0.171

Diabetes mellitus with insulin use

 

0.087

Smoking

 

0.201

Operation including occipital bone

14.26 (6.07–33.52)

< 0.001

Operation including thoracic spine

 

0.055

Posterior instrumentation

 

0.765

Iliac bone grafting

 

0.429

Use of an intraoperative fluoroscopy

 

0.081

Use of a bio-clean room

 

0.143

Operative time (min)

 

0.689

Prophylactic intravenous administration of CEZ

 

0.141

Powdered vancomycin administration to the operative wound

 

0.078

Surgery at academic hospitals

 

0.769

  1. SSI surgical site infection, OR odds ratio, CI confidence interval, ASA American Society of Anesthesiologists, CEZ cefazolin.
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