Association between body temperature and all-cause mortality in patients with sepsis: analysis of the MIMIC-IV database
2024

Body Temperature and Mortality in Sepsis Patients

Sample size: 35499 publication 10 minutes Evidence: high

Author Information

Author(s): Yunuo Zhao, Bo Zhang

Primary Institution: West China Hospital, Sichuan University

Hypothesis

What is the relationship between body temperature and clinical outcomes in sepsis patients?

Conclusion

Hypothermia in sepsis patients is linked to higher mortality rates, while hyperthermia may be protective in younger patients.

Supporting Evidence

  • Patients with hypothermia had a 54.34% 28-day mortality rate compared to 19.28% for those with normal temperature.
  • Hyperthermia was protective against 28-day mortality in patients younger than 65 years.
  • The study used a large database, MIMIC-IV, to analyze sepsis patients' outcomes based on body temperature.

Takeaway

If a sepsis patient has a low body temperature, they are more likely to get very sick or die. But if they have a high temperature, it can sometimes help them, especially if they are younger.

Methodology

The study analyzed clinical data from sepsis patients in the MIMIC-IV database, categorizing them by body temperature and using various statistical models to assess outcomes.

Potential Biases

Potential biases may arise from the observational nature of the study and missing data.

Limitations

The study relies on a single temperature measurement and may not account for complex temperature variations over time.

Participant Demographics

The study included 35,499 sepsis patients, with a mean age of approximately 67 years, and a mix of genders.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI 0.19–0.32

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/s40001-024-02219-2

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