Local vancomycin powder reduces surgical site infections and costs in spine surgery: a retrospective cohort study in a public hospital in Santiago, Chile.

J Spine Surg · 2026 · PMC12875822 · PMID 41660194

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a clear trendno p-value reported

Comparative quarterly data showed a clear trend in favor of the vancomycin group, with differences between the two groups of up to 25 percentage points over similar time periods, as shown in Figure 2 .

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