Risk Factors for Infection after Prostate Biopsy in the United States

Jonathan E. Shoag, Christopher Gaffney, Morgan Pantuck, Tianyi Sun, Michael Gorin, Edward Schaeffer, Art Sedrakyan, Andrew Vickers, Jim Hu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Methods: We used the Surveillance, Epidemiology, and End Results (SEER)-Medicare linked data from 2001 to 2015 and recorded 30-day infection rates and emergency department, hospital and, intensive care unit (ICU) admissions. We performed adjusted analyses to analyze the effect of age, demographic data, surgeon volume, rectal swab use, and biopsy year on infections. Results: We found that the overall rate of postbiopsy infections increased from 2001 (5.9%) to 2007 (7.2%) but remained stable through 2015. Despite this, postbiopsy emergency room visits rose from 0.2% to 0.5% (95% confidence interval [CI] 0.2%-0.4%, P <.01), hospitalizations rose from 0.5% to 1.3% (95% CI 0.5%-1.0%, P <.01), and ICU admissions increased from 0.1% to 0.3% (95% CI 0.1%-0.3%, P <.01). Patients of surgeons who performed 25 biopsies per year had lower odds of postbiopsy infection (odds ratio 0.65; 95% CI 0.61-0.69) and a lower risk of hospitalization (odds ratio 0.50; 95% CI 0.43-0.59) as compared to patients of surgeons who performed one biopsy per year. Rectal swab use increased over the study period but remained low (1.8% in 2015). Conclusion: While the overall rate of postbiopsy infections has stabilized since 2007, admissions to the emergency room, hospital, and ICU continue to rise. Increased surgeon volume was associated with a decreased risk of infection.

Original languageEnglish (US)
Pages (from-to)113-118
Number of pages6
StatePublished - Apr 2020

ASJC Scopus subject areas

  • Urology


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