Summary
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1 Sample Definition And Size
The study analyzed 8,715 local emergency department (ED) visits and approximately 123.3 million estimated national adult ED visits, including both adults and children. The local data was collected from a large academic center with an annual ED census of 110,000, while the national data was obtained from the National Hospital Ambulatory Medical Care Survey (NHAMCS), a CDC-sponsored weighted sample of U.S. EDs. Demographic and clinical data, including vital signs, were extracted for analysis.
2 Study Type
Retrospective secondary analysis of electronic medical records from a large academic center and the National Hospital Ambulatory Medical Care Survey (NHAMCS).
3 Conflicts Of Interest
The authors have no relevant conflicts of interest to disclose.
4 Results Summary
Among adult ED patients nationally, for every 1 °C increase in body temperature, the heart rate increases by approximately 7 bpm (95% CI: 6.2 to 8.3). After adjusting for age and gender, a 1 °C increase in body temperature corresponded to a mean increase in heart rate of 10.4 bpm (95% CI: 9.5 to 11.4) locally and 6.9 bpm (95% CI: 5.9 to 7.8) nationally. Additionally, males had significantly lower heart rates than females (coefficient: -1.6, 95% CI: -2.4 to -0.8), and age was negatively associated with heart rate (coefficient: -0.08, 95% CI: -0.10 to -0.06).