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Measuring the body temperature: how accurate is the Tempa Dot?
A Van den Bruel1, B Aertgeerts, C De Boeck
1Katholieke Universiteit Leuven, Kapucijnenvoer 33-Blok J, 3000 Leuven, Belgium. ann.vandenbruel@med.kuleuven.ac.be
Summary
The disposable Tempa Dot thermometer accurately measures body temperature, offering a reliable and safe alternative to mercury thermometers. It demonstrates excellent agreement and high sensitivity for fever detection in both oral and axillary use.
Area of Science:
- Medical Devices
- Clinical Thermometry
- Infection Control
Background:
- Traditional mercury thermometers pose risks of cross-infection and are less practical for clinical use.
- Accurate temperature measurement is crucial for diagnosing and managing various health conditions.
Purpose of the Study:
- To evaluate the accuracy and reliability of the disposable Tempa Dot thermometer.
- To compare its performance against the standard mercury thermometer in diverse patient populations.
- To determine optimal cut-off points for fever detection using the Tempa Dot.
Main Methods:
- A cross-sectional study comparing the Tempa Dot with mercury thermometers in 212 adults and children.
- Mercury thermometers used orally (≥2 years) or rectally (<2 years); Tempa Dot used orally or axillary.
- Statistical analysis included regression and Bland-Altman plots; ROC curve analysis for cut-off points.
Main Results:
- Very good agreement was observed between the Tempa Dot and mercury thermometers (mean difference 0.04°C).
- High sensitivity (100%) and specificity (79-96%) for fever detection were achieved with optimized cut-off points.
- A single cut-off of 37.5°C is proposed for both oral and axillary use.
Conclusions:
- The Tempa Dot thermometer is a dependable alternative to mercury thermometers.
- Its practical, sterile nature minimizes infection risk.
- A clinical cut-off of 37.5°C is recommended for both oral and axillary measurements.