Preoperative Antisepsis with Chlorhexidine Versus Povidone‐Iodine for the Prevention of Surgical Site Infection: a Systematic Review and Meta‐analysis

Chlorhexidine was superior to povidone-iodine in preventing postoperative SSI, especially for the clean-contaminated surgery. However, there was no statistically significant difference in the incidence of skin adverse events between CH and PI groups.