Australian Family Physician
Australian Family Physician


Volume 39, Issue 4, April 2010

A comparative study on the accuracy of noninvasive thermometers

Fadzlin Mohd Fadzil David Choon Kulenthran Arumugam
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This study assessed the concordance of the temperatures of the digital, liquid crystal forehead and digital infrared tympanic thermometers with the mercury in glass thermometer.
The digital thermometer provides the best agreement with the mercury in glass thermometer. The infrared tympanic thermometer may be a preferable option for the uncooperative patient. The liquid crystal forehead thermometer is best used at home.
The digital thermometer gave the best concordance (limits of agreement 0.48–0.59°C). The liquid crystal forehead thermometer gave the least concordance (limits of agreement -1.14–0.98°C). The digital infrared tympanic was in between (limits of agreement -0.88–0.85°C).

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