Surgical Site Infections following Spine Surgery for Non-idiopathic Scoliosis

i) Study design: A single-center, retrospective cohort study.
ii) Among patients undergoing fusion procedures, SSIs were associated with underdosing of preoperative cefazolin [relative risk (RR)=4.99; 95% confidence interval (CI), 1.89-17.43; P=0.012] and tobramycin (RR=5.86; 95% CI, 1.90-18.06; P=0.002), underdosing of intraoperative (RR=5.65; 95% CI, 2.13-14.97; P=0.001) and postoperative (RR=3.86; 95% CI, 1.20-12.40; P=0.023) tobramycin, and any preoperative or intraoperative underdosing (RR=4.89; 95% CI, 1.70-14.12; P=0.003).

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