Annual survey data from the United States Department of Health and Human Services collects medical and demographic information from a sample of hospital discharge records. Variables include patient demographics, admission and discharge dates, diagnoses, procedures, and hospital characteristics. Medical information is coded using the INTERNATIONAL CLASSIFICATION OF DISEASES, 9TH REVISION, CLINICAL MODIFICATION (ICD-9-CM).
Use Cases
- Analyze patient demographics and hospital stay patterns based on sex, age, and admission/discharge dates.
- Study diagnosis and procedure trends using ICD-9-CM coded medical information.
- Investigate healthcare economics based on sources of payment and hospital ownership data.
- Examine regional variations in hospital care based on hospital region and bedsize.
Strengths
- Data is collected annually by the U.S. National Center for Health Statistics, an authoritative source.
- Includes multiple linked data categories: patient demographics, clinical diagnoses, procedures, and hospital characteristics.
- Uses a standardized medical coding system (ICD-9-CM) for diagnoses and procedures.
Limitations
- Row count and dataset size are unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Last update date is unknown; freshness unverified for the 1994 sample.
Provenance
- Source
- United States Department of Health and Human Services. National Center for Health Statistics
- Collection Method
- Collected annually from a sample of hospital discharge records.
- Time Range
- 1994
- Geography
- United States