Regional Cost Variations of Robot-Assisted Radical Prostatectomy Compared with Open Radical Prostatectomy

Izak Faiena, Viktor Y. Dombrovskiy, Parth K. Modi, Neal Patel, Rutveej Patel, Amirali H. Salmasi, Jaspreet S. Parihar, Eric A. Singer, Isaac Y. Kim

    Research output: Contribution to journalArticlepeer-review

    17 Scopus citations

    Abstract

    Introduction: The purpose of the study was to evaluate the cost differences between robot-assisted radical prostatectomy (RARP) and open radical prostatectomy (ORP) in various census regions of the United States because RARP has been reported to be more expensive than ORP with significant regional cost variations in radical prostatectomy (RP) cost across the United States. Patients and Methods: International Classification of Diseases, Ninth Revision, Clinical Modification codes were used to identify patients with prostate cancer who underwent RARP or ORP from the Nationwide Inpatient Sample (NIS) database from 2009 to 2011. Hospital costs were compared using the Wilcoxon rank sum test and multivariable linear regression analysis adjusting for age, sex, race, comorbidities, and hospital characteristics. Results: From the NIS database, 24,636 RARP and 13,590 ORP procedures were identified and evaluated. The lowest cost overall was in the South; the highest cost RARP was in the West and for ORP in the Northeast. In multivariable analysis, adjusted according to patient and hospital characteristics, RARP was 43.3% more costly in the Midwest, 37.2% more costly in the South, and 39.1% more costly in the West (P <.0001 for all). In contrast, the cost for RARP in the Northeast was 12.8% less than for ORP (P <.0001). Conclusion: Cost for RP significantly varies within the nation and in most regions it is significantly greater for RARP than for ORP. ORP in the Northeast is more costly than RARP. Further research is needed to delineate the reason for these differences and to optimize the cost of RP.

    Original languageEnglish (US)
    Pages (from-to)447-452
    Number of pages6
    JournalClinical Genitourinary Cancer
    Volume13
    Issue number5
    DOIs
    StatePublished - Oct 1 2015

    All Science Journal Classification (ASJC) codes

    • Oncology
    • Urology

    Keywords

    • Cost
    • Nationwide inpatient sample
    • Open prostatectomy
    • Regional variation
    • Robotic radical prostatectomy

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