Research on the correlation between otorhinolaryngologic diseases and environmental meteorological factors in children

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Objective:To explore the correlation between acute otitis media（AOM）, acute pharyngitis（AP） and allergic rhinitis（AR） and environmental-meteorological factors in children in Lanzhou. Method:Data were collected in 2015-2017 from the outpatient department and emergency department of Otolaryngology of one hospital in Lanzhou. The association between clinical data and the environmental meteorological factors during the same period, including the air quality index（AQI）, PM2.5, PM10, CO, NO₂, SO₂, O3, average temperature, average air pressure, average wind speed, average humidity in Lanzhou, was analyzed. Result:The incidence of AOM was positively correlated with AQI, PM2.5, PM10, CO, NO₂, SO₂, average air pressure, and was negatively correlated with O3, average wind speed and average air temperature, but not correlated with average humidity. The incidence of AP was positively correlated with average temperature and average humidity, and not correlated with other 9 factors. The incidence of AR was correlated with all 10 environmental meteorological factors except for O3.The number of children with AOM, AP and AR varied with different seasons. Environmental meteorological factors have single lag and cumulative lag effects on the incidence of children with AOM, AP and AR, and difference between the single lag and cumulative lag time was observed. Conclusion:There may be some correlation between the environmental meteorological factors and the incidence of AOM, AP, AR in children, and there is a lag effect. The incidence of pediatric AOM, AP and AR is affected by seasonal factors.