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Volume 14, Number 8—August 2008

Dispatch

Cutaneous Infrared Thermometry for Detecting Febrile Patients

Pierre Hausfater*†Comments to Author , Yan Zhao†‡, Stéphanie Defrenne*†, Pascale Bonnet*†, and Bruno Riou*†
Author affiliations: *UPMC Univ Paris 06, Paris, France; †Centre Hospitalier Universitaire Pitié-Salpêtrière, Paris; ‡Zhongnan Hospital, Wuhan, People’s Republic of China;

Main Article

Table 1

Assessment of diagnostic performance of cutaneous temperature in predicting increased tympanic temperature*

Characteristic Predicted tympanic temperature, °C†
>37.5>38.0>38.5
Cutaneous temperature threshold, °C‡37.538.038.5
Sensitivity0.76 (0.69–0.82)0.82 (0.71–0.90)0.82 (0.67–0.91)
Specificity0.65 (0.63–0.67)0.77 (0.76–0.79)0.90 (0.88–0.91)
Positive predictive value0.16 (0.14–0.19)0.10 (0.08–0.13)0.13 (0.09–0.18)
Negative predictive value0.97 (0.96–0.98)0.99 (0.99–1.00)1.00 (0.99–1.00)
Accuracy0.66 (0.64–0.68)0.78 (0.76–0.79)0.90 (0.89–0.91)

*Values in parenthesis are 95% confidence intervals.
†Definition of hyperthermia.
‡Corresponds to the best threshold for a definition of cutaneous hyperthermia determined by using receiver operating characteristic curve.

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