A pragmatic randomized trial evaluating pre-operative aqueous antiseptic skin solutions in open fractures (Aqueous-PREP): statistical analysis plan Academic Article uri icon

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abstract

  • Abstract Background Approximately 1 in 10 patients with a surgically treated open fracture will develop a surgical site infection. The Aqueous-PREP trial will investigate the effect of 10% povidone-iodine versus 4% chlorhexidine in aqueous antiseptic solutions in reducing infections after open fracture surgery. The study protocol was published in April 2020. Methods and design The Aqueous-PREP trial is a pragmatic, multicenter, open-label, randomized multiple period cluster crossover trial. Each participating cluster is randomly assigned in a 1:1 ratio to provide 1 of the 2 study interventions on all eligible patients during a study period. The intervention periods are 2 months in length. After completing a 2-month period, the participating cluster crosses over to the alternative intervention. We plan to enroll a minimum of 1540 patients at 14 sites. Results The primary outcome is surgical site infection guided by the Centers for Disease Control and Prevention’s National Healthcare Safety Network reporting criteria (2017). All participants’ surgical site infection surveillance period will end 30 days after definitive fracture management surgery for superficial infections and 90 days after definitive fracture management surgery for deep incisional or organ/space infections [1]. The secondary outcome is an unplanned fracture-related reoperation within 12 months of the fracture. Conclusion This manuscript serves as the formal statistical analysis plan (version 1.0) for the Aqueous-PREP trial. The statistical analysis plan was completed on February 28, 2022.

authors

  • O’Hara, Nathan N
  • Heels-Ansdell, Diane
  • Bzovsky, Sofia
  • Dodds, Shannon
  • Thabane, Lehana
  • Bhandari, Mohit
  • Guyatt, Gordon
  • Devereaux, Philip
  • Slobogean, Gerard P
  • Sprague, Sheila Ann
  • Harris, Anthony D
  • Mullins, C Daniel
  • Wells, Jeffrey
  • Wood, Amber
  • Della Rocca, Gregory J
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  • Marchand, Lucas S
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  • Zura, Robert
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  • Marvel, Debra
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publication date

  • September 12, 2022