Clinical Research Using the National Inpatient Sample: A Brief Review of Colorectal Studies Utilizing the NIS Database

Katherine A. Kelley, V. Liana Tsikitis

    Research output: Contribution to journalArticle

    Abstract

    The National Inpatient Sample (NIS) is the largest collection of longitudinal hospital care data in the United States and is sponsored by the Agency for Healthcare Research and Quality. The data are collected from state organizations, hospital associations, private organizations, and the federal government. This database has been used in more than 400 disease-focused studies to examine health care utilization, access, charges, quality, and outcomes of care. The database has been maintained since 1988, making it one of the oldest on hospital data. The focus of this review is to explore and discuss the use of NIS database in colorectal surgery research and to formulate a simplified guide of the data captured for future researchers.

    Original languageEnglish (US)
    Pages (from-to)33-40
    Number of pages8
    JournalClinics in Colon and Rectal Surgery
    Volume32
    Issue number1
    DOIs
    StatePublished - 2019

    Keywords

    • Healthcare Cost and Utilization Project
    • National Inpatient Sample
    • colorectal

    ASJC Scopus subject areas

    • Surgery
    • Gastroenterology

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