적외선 체열 촬영을 이용한 안면홍조 진단의 절단값 산정
The Cut Off Values for Diagnosing Hot flashes by Using Digital Infrared Thermographic Imaging
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초록
Objectives: The purpose of this study is to find diagnostic points and define thecut off values of hot flashes by using digital infrared thermographic imaging. Methods: Thermographic images of 75 patients with hot flashes (HF, n=35) andnon-hot flashes (NHF, n=40) were retrospectively reviewed. We used the temperaturedifference between Ex-HN3 and CV17, LU4, CV12, CV4 for diagnosing hot flashes. The temperature differences of between two groups were analysed using independentsamples t-tests. The cut off values were calculated by received operating characteristiccurve analysis. Analyses were undertaken using SPSS version 17.0. and p-value of<0.05 was considered significant. Results: The temperature difference Ex-HN3 and LU4 were the most significantlydifferent between groups (p<0.001). Using receiver operating characteristic curveanalysis, the sensitivity, specificity, and area under the curve were 65.7%, 72.5%,0.729, respectively. The optimum cut off value was defined as 1.00℃. Conclusions: These results suggest that the digital infrared thermographic imagingis a reliable instrument for estimating hot flashes.
Abstract
Objectives: The purpose of this study is to find diagnostic points and define thecut off values of hot flashes by using digital infrared thermographic imaging. Methods: Thermographic images of 75 patients with hot flashes (HF, n=35) andnon-hot flashes (NHF, n=40) were retrospectively reviewed. We used the temperaturedifference between Ex-HN3 and CV17, LU4, CV12, CV4 for diagnosing hot flashes. The temperature differences of between two groups were analysed using independentsamples t-tests. The cut off values were calculated by received operating characteristiccurve analysis. Analyses were undertaken using SPSS version 17.0. and p-value of<0.05 was considered significant. Results: The temperature difference Ex-HN3 and LU4 were the most significantlydifferent between groups (p<0.001). Using receiver operating characteristic curveanalysis, the sensitivity, specificity, and area under the curve were 65.7%, 72.5%,0.729, respectively. The optimum cut off value was defined as 1.00℃. Conclusions: These results suggest that the digital infrared thermographic imagingis a reliable instrument for estimating hot flashes.
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