About Heat Stress Data
Overview
This site provides data on the percentage of heat stress hospitalizations and emergency department visits in New York State. Heat stress data are presented for May through September. The table below shows key information about heat stress data.
| Data Source | Hospitalizations and Emergency Department Visits: Statewide Planning and Research Cooperative System (SPARCS) Average Temperature: North American Land Data Assimilation System (NLDAS) |
|---|---|
| Time Frame | Hospitalizations: 2000-2019 Emergency Department Visits: 2005-2019 Average Temperature: 2000-2019 |
| Geographic Coverage | Hospitalizations and Emergency Department Visits: New York State by region Average Temperature: New York State by region |
| ICD-9-CM and ICD-10 Codes | ICD-9: 992, cause of injury code E900.0, E900.9 ICD-10: Code starting with T67 (30 codes), X30 (3 codes), X32 (3 codes), but excluding those with any diagnosis starting with W92 (3 codes for exposure to excessive heat of man-made origin) |
| Last Update | February 2021 |
| Data Methodology | See Technical Notes |
Interpreting Data
These data show heat stress that occurred during the months of May through September, and exclude hospitalizations or emergency department visits known to be related to man-made heat sources. The hospitalization data reflect those whose condition is serious enough to require a hospital visit. Hospitalization data include those who were admitted with a primary diagnosis of heat- related illness, and those who had heat-related illness listed as a subsequent diagnosis; therefore, heat stress may not have been the primary factor that brought all of the individuals included to the hospital. Data show the number of heat stress hospitalizations rather than the number of people hospitalized. For example, if a person was hospitalized twice they would be counted twice. Average temperature data is a monthly average of average daily temperatures.
View by Month and Year
Heat Stress Related Emergency Department Visits by Month and Year and Average Temperature
Users can compare heat stress emergency department visits in New York State to an average monthly temperature for the corresponding time period. The graphs and tables show rates for a selected three-year rolling average. Users can compare heat stress ED visits across counties in the following regions: New York State (whole state), New York City, New York State Excluding New York City. Users can see more clearly the differences in heat stress ED visits rates between the remaining New York State counties when New York City counties are removed from the display.
Heat Stress Related Hospitalizations by Month and Year and Average Temperature
Users can compare heat stress hospitalizations in New York State to an average monthly temperature for the corresponding time period. The graphs and tables show rates for a selected three-year rolling average. Users can compare heat stress hospitalizations across counties in the following regions: New York State (whole state), New York City, New York State Excluding New York City. Users can see more clearly the differences in heat stress hospitalization rates between the remaining New York State counties when New York City counties are removed from the display.
View by Place of Exposure
Percent of Heat Stress Related Emergency Department Visits by Age and Place of Exposure
Users can compare heat stress emergency department visits in New York State by known place of exposure including home, occupational setting, public places and buildings, recreation and sport setting, and other specified places. Users can also compare heat stress emergency department visits and place of exposure by age groups. The graphs and tables show the percent for the selected time period. Users can compare percent of heat stress ED visits across counties in the following regions: New York State (whole state), New York City, New York State Excluding New York City. Users can see more clearly the differences in percent of heat stress ED visits between the remaining New York State counties when New York City counties are removed from the display.
Percent of Heat Stress Related Hospitalizations by Age and Place of Exposure
Users can compare heat hospitalizations in New York State by known place of exposure including home, occupational setting, public places and buildings, recreation and sport setting, and other specified places. Users can also compare heat stress hospitalizations and place of exposure by age groups. The graphs and tables show the percent for the selected time period. Users can compare percent of heat stress hospitalizations across counties in the following regions: New York State (whole state), New York City, New York State Excluding New York City. Users can see more clearly the differences in percent of heat stress hospitalizations between the remaining New York State counties when New York City counties are removed from the display
To find out more information about how place of exposure is defined, hold the mouse over the 
icon in the table. A pop up box will display with more specific information.
Technical Notes
- Heat stress emergency department and hospitalization data for New York State was generated from the Statewide Planning and Research Cooperative System (SPARCS) database.
- The date of the heat stress hospitalization or emergency department visit uses the date of admission.
- In October 2015, reporting of diagnosis codes in the hospitalization and ED visit datasets switched from International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) coding to International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) coding. This may result in apparent changes in trends between 2015 and 2016 that are due solely to the switch from ICD-9-CM to ICD-10-CM.
- For ED visits and Hospitalizations that had a hospital admission date before October 1, 2015: A heat stress hospitalization or emergency department visit is defined as having a principal diagnosis or other diagnosis with an International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) code of 992, or a cause of injury code E900.0 or E900.0.
- For ED visits and Hospitalizations that had a hospital admission date on or after October 1, 2015: A heart attack hospitalization is defined as having a principal diagnosis with an International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) code that starts with T67 (30 codes), X30 (3 codes), X32 (3 codes), but excluding those with any diagnosis starting with W92 (3 codes for exposure to excessive heat of man-made origin).
- Emergency department visits data from SPARCS were not available before 2005.
- Only the months May-September are included in these counts and rates.
- Population estimates used for calculating rates were taken from the U.S. Census Bureau. State hospitalization rates are based on 7/1/2013 State Characteristics Population Estimates. New York State county level rates are based on 7/1/2013 County Characteristics Resident Population Estimates File. Rates were calculated per 100,000 residents.
