Hospital Emergency Injury Visits by Sex, Age, and Intent

National Hospital Ambulatory Medical Care Survey data details initial injury-related visits to hospital emergency departments. The dataset categorizes visits by sex, age, and the intent and mechanism of injury. It includes revised estimates for 2017–2018 and covers data from 2017 onward, with a noted break in comparability due to a 2015 coding standard change.

Use Cases

• Analyze injury mechanism frequency across sex and age cohorts to identify high-risk demographics.
• Compare trends in injury intent categories before and after the 2015 ICD-10-CM transition, noting the non-comparability warning.
• Profile emergency department utilization for specific injury types like 'Accidental Falls' using the provided categorization.

Strengths

• Data originates from the authoritative National Hospital Ambulatory Medical Care Survey conducted by the CDC.
• Includes categorization by key demographic variables (sex, age) and injury details (intent, mechanism).
• Provides revised estimates for the 2017–2018 period to correct prior programming errors.

Limitations

• Data from 2017 onward is not comparable to earlier years due to a change from ICD-9-CM to ICD-10-CM coding standards.
• Data for the 2016 reporting year is explicitly excluded from the dataset.
• Specific row counts, column details, and file size are not provided in the input.

Provenance

Source

United States Department of Health and Human Services. Centers for Disease Control and Prevention, National Center for Health Statistics.

Collection Method

Collected via the National Hospital Ambulatory Medical Care Survey.

Time Range

Covers data from 2017 onward, with specific revised estimates for 2017–2018.

Freshness

The dataset record was last updated in February 2026.

Geography

United States (national-level data).