Volume 7, Number 5—October 2001
Intraoperative Redosing of Cefazolin and Risk for Surgical Site Infection in Cardiac Surgery
|Predictor||Adjusted odds ratio for SSIa||95% confidence interval||pb|
|Procedures lasting <400 min|
|Duration of surgeryd||1.38||1.00-1.82||0.032|
|Intraoperative redosing of antibiotics||1.27||0.80-2.02||0.319|
|Procedures lasting >400 min|
|Intraoperative redosing of antibiotics||0.44||0.23-0.86||0.016|
aSSI: surgical site infection; CABG: coronary artery bypass graft.
cOdds ratio for every additional decade of age.
dOdds ratio for every additional hour of surgery.
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