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In a systematic review, infrared ear thermometry for fever diagnosis in children finds poor sensitivity

Dodd, Susanna R and Lancaster, Gillian A and Craig, Jean V and Smyth, Rosalind L and Williamson, Paula R (2006) In a systematic review, infrared ear thermometry for fever diagnosis in children finds poor sensitivity. Journal of Clinical Epidemiology, 59 (4). pp. 354-357. ISSN 0895-4356

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Abstract

Background and Objectives To investigate sensitivity and specificity of infrared ear thermometry compared to rectal thermometry to detect fever in children. Methods Systematic review of studies comparing rectal and infrared ear temperatures in children. Results Sensitivity and specificity estimates were highly heterogeneous, and displayed an inverse relationship suggestive of a threshold effect, due in part to the different offsets used to obtain adjusted tympanic temperatures depending on the ear thermometer mode. To account for this threshold effect, results from each study were summarized as a diagnostic odds ratio (DOR). These varied extensively across studies, suggesting that heterogeneity between study estimates is not fully explained by the threshold effect. Pooled estimates of sensitivity and specificity from random effects models were 63.7% (95% CI 55.6%, 71.8%) and 95.2% (95% CI 93.5%, 96.9%), respectively. Conclusion Pooled estimates of measures of diagnostic accuracy from these studies suggest that infrared ear thermometry would fail to diagnose fever in three or four out of every 10 febrile children (with fever defined by a rectal temperature of 38°C or above). These findings support our previous concerns about the use of infrared ear thermometers in situations where a failure to detect fever has serious implications.

Item Type: Article
Journal or Publication Title: Journal of Clinical Epidemiology
Uncontrolled Keywords: Thermometer ; Tympanic ; Rectum ; Sensitivity ; Specificity ; Diagnostic odds ratio
Subjects: Q Science > QA Mathematics
Departments: Faculty of Science and Technology > Mathematics and Statistics
ID Code: 60027
Deposited By: ep_importer_pure
Deposited On: 19 Nov 2012 09:59
Refereed?: Yes
Published?: Published
Last Modified: 09 Oct 2013 15:21
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/60027

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