ArticleNursing research and practice2026
Accuracy and Precision of Third-Generation Tympanic Thermometers With Varying Calibration Intervals: A Multicenter Cross-Sectional Study.
Article in Nursing research and practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Accuracy and Precision of Third-Generation Tympanic Thermometers With Varying Calibration Intervals: A Multicenter Cross-Sectional Study.Nursing research and practice · 2026Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aim: To evaluate intra- and interoperator reliability and accuracy of the third-generation tympanic thermometer (GeniusTM3) and to explore the relationship between measurement error and calibration intervals of the tympanic thermometer. Design: Open-label, pragmatic multicenter cross-sectional study. Methods: The study was carried out in intensive care units and operating theaters across five hospitals in Northern Italy. Patients of any age admitted to intensive care units or undergoing surgical procedures in operating theaters between December 2023 and October 2024 were enrolled. Two trained nurses independently took the temperature three consecutive times using the same tympanic thermometer. Core temperature was measured using one of the gold standard methods. The measurement error was calculated as the difference between the gold standard measurement and the measurement made with the tympanic temperature. Results: A total of 550 patients were enrolled. The precision of the tympanic thermometer was shown to be excellent in both intraobserver and interobserver reliability. The tympanic thermometer consistently underestimated body temperature, with a mean measurement error of 0.3°C and a limits of agreement of ±1.3°C. The generalized linear model (GLM) showed calibration interval, recruiting hospital, and the variable defined by their interaction as factors that were independently and statistically significant predictors of accuracy variation. Conclusions: The third-generation tympanic thermometer (GeniusTM3) represents a reliable tool for ensuring high accuracy in terms of both intraoperator and interoperator concordance. However, the accuracy of the device has been significantly affected by the timing of the calibration: a calibration interval of more than 6 months results in a significant deterioration in accuracy.
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Registered trials
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