Article in Japanese
Affecting factors for positive rapid influenza diagnostic test in children
Hiroaki KURATA1), Shunsuke KANNO2), Tomoko HIDAKA1), Yasuhiro ONOE1), Naohiro SUGA1), Hidetoshi TAKADA3,4), Shouichi OHGA3)
This study investigated predictive factors for the positive rapid influenza diagnostic antigen test, during the influenza season of January to April 2016, by analyzing clinical data of 328 pediatric outpatients aged less than 16 years old. Positive results of the influenza antigen tests among patients under 3 years old correlated significantly with the highest body temperature (>39°C), rhinorrhea, family members having influenza, and lack of influenza vaccination. Positive antigen among patients aged 3 years and over correlated significantly with the highest body temperature (>39°C), sore throat, cough, influenza epidemic in the nursery, and elementary or junior-high schoolers. These older patients presented both sore throat and cough, and their positive predictive value (PPV) exceeded 70%. In those showing sore throat, cough and the highest body temperature (>39°C), the PPV was at its highest at 77.8%. Patients who visited the hospital during daytime had a higher PPV than those visiting during nighttime. These results suggested that sore throat, cough and the highest body temperature are effective predictors for the positive influenza antigen test among pediatric patients during the influenza seasons.
1) Department of Pediatrics, Tagawa Municipal Hospital
2) Center for the Study of Global Infection, Kyushu University Hospital
3) Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University
4) Department of Perinatal and Pediatric Medicine, Graduate School of Medical Sciences, Kyushu University
Key words | rapid influenza diagnostic test, fever, cough, sore throat, positive predictive value |
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Received | January 29, 2018 |
Accepted | October 18, 2018 |
31 (1):13─19,2019
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