National Inpatient Sample (NIS) Statistical Analysis

Learn how to clean, manage, and analyze National Inpatient Sample data using STATA for health and clinical research

What you'll learn
- Import and clean raw NIS data files using STATA
- Merge core, hospital, and supplemental files correctly
- Generate national estimates using weights in STATA
- Conduct descriptive, bivariate, and regression analysis

Requirements
- Basic understanding of research design or STATA is helpful
- Access to STATA software (version 14 or above recommended)
- NIS dataset

Description
Harness the full potential of theNational Inpatient Sample (NIS)—the largest publicly available inpatient healthcare database in the United States—through the power ofSTATA, a leading statistical software used in health services research.

This comprehensive, hands-on course is designed forstudents, clinicians, researchers, and public health professionalswho want to conduct robust, real-world data analysis using NIS. Whether you are preparing a thesis, publishing a manuscript, or informing health policy, this course will guide you through each stage of the process.

You will learn how to:

Import and organize raw NIS datasets into STATA

Clean, recode, and manage clinical and demographic variables

Merge multiple NIS files (core, hospital, severity, etc.)

Apply survey weights to generate accurate national estimates

Conduct descriptive statistics, cross-tabulations, and trend analyses

Perform bivariate testing (e.g., chi-square, t-tests)

Run regression models (logistic, linear) for inferential insights

Export and format your results for publication or presentation

Each module includes real examples, downloadable code, and tips for overcoming common errors in working with large-scale health data.

You don't need any previous experience with NIS. A basic familiarity with STATA is helpful but not mandatory—this course is designed to build your skills from the ground up.

Created byAxeUSCE, a recognized leader in healthcare analytics education, this course will prepare you to use NIS data in your research projects confidently and publish with credibility.

Who this course is for:
- Graduate and PhD students in public health or medicine
- Healthcare researchers working with large datasets
- Clinicians and analysts preparing publishable research
- Anyone new to the NIS dataset or STATA environment
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